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Page K, Melia MT, Veenhuis RT, Winter M, Rousseau KE, Massaccesi G, Osburn WO, Forman M, Thomas E, Thornton K, Wagner K, Vassilev V, Lin L, Lum PJ, Giudice LC, Stein E, Asher A, Chang S, Gorman R, Ghany MG, Liang TJ, Wierzbicki MR, Scarselli E, Nicosia A, Folgori A, Capone S, Cox AL. Randomized Trial of a Vaccine Regimen to Prevent Chronic HCV Infection. N Engl J Med 2021; 384:541-549. [PMID: 33567193 PMCID: PMC8367093 DOI: 10.1056/nejmoa2023345] [Citation(s) in RCA: 92] [Impact Index Per Article: 30.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
BACKGROUND A safe and effective vaccine to prevent chronic hepatitis C virus (HCV) infection is a critical component of efforts to eliminate the disease. METHODS In this phase 1-2 randomized, double-blind, placebo-controlled trial, we evaluated a recombinant chimpanzee adenovirus 3 vector priming vaccination followed by a recombinant modified vaccinia Ankara boost; both vaccines encode HCV nonstructural proteins. Adults who were considered to be at risk for HCV infection on the basis of a history of recent injection drug use were randomly assigned (in a 1:1 ratio) to receive vaccine or placebo on days 0 and 56. Vaccine-related serious adverse events, severe local or systemic adverse events, and laboratory adverse events were the primary safety end points. The primary efficacy end point was chronic HCV infection, defined as persistent viremia for 6 months. RESULTS A total of 548 participants underwent randomization, with 274 assigned to each group. There was no significant difference in the incidence of chronic HCV infection between the groups. In the per-protocol population, chronic HCV infection developed in 14 participants in each group (hazard ratio [vaccine vs. placebo], 1.53; 95% confidence interval [CI], 0.66 to 3.55; vaccine efficacy, -53%; 95% CI, -255 to 34). In the modified intention-to-treat population, chronic HCV infection developed in 19 participants in the vaccine group and 17 in placebo group (hazard ratio, 1.66; 95% CI, 0.79 to 3.50; vaccine efficacy, -66%; 95% CI, -250 to 21). The geometric mean peak HCV RNA level after infection differed between the vaccine group and the placebo group (152.51×103 IU per milliliter and 1804.93×103 IU per milliliter, respectively). T-cell responses to HCV were detected in 78% of the participants in the vaccine group. The percentages of participants with serious adverse events were similar in the two groups. CONCLUSIONS In this trial, the HCV vaccine regimen did not cause serious adverse events, produced HCV-specific T-cell responses, and lowered the peak HCV RNA level, but it did not prevent chronic HCV infection. (Funded by the National Institute of Allergy and Infectious Diseases; ClinicalTrials.gov number, NCT01436357.).
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Affiliation(s)
- Kimberly Page
- From the University of New Mexico, Albuquerque (K.P., E.T., K.T., K.W.); Johns Hopkins University, Baltimore (M.T.M., R.T.V., M.W., K.E.R., G.M., W.O.O., M.F., A.L.C.), the Division of Microbiology and Infectious Diseases, National Institute of Allergy and Infectious Diseases (S. Chang, R.G.), and the Emmes Company (M.R.W.), Rockville, and the Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda (M.G.G., T.J.L.) - all in Maryland; GSK Vaccines, Rixensart, Belgium (V.V., L.L.); the University of California, San Francisco, San Francisco (P.J.L., L.C.G., E. Stein, A.A.); the Centers for Disease Control and Prevention, Office of Policy, Planning, and Partnerships, Atlanta (A.A.); and ReiThera, Rome (E. Scarselli, A.F., S. Capone), and CEINGE, Naples (A.N.) - both in Italy
| | - Michael T Melia
- From the University of New Mexico, Albuquerque (K.P., E.T., K.T., K.W.); Johns Hopkins University, Baltimore (M.T.M., R.T.V., M.W., K.E.R., G.M., W.O.O., M.F., A.L.C.), the Division of Microbiology and Infectious Diseases, National Institute of Allergy and Infectious Diseases (S. Chang, R.G.), and the Emmes Company (M.R.W.), Rockville, and the Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda (M.G.G., T.J.L.) - all in Maryland; GSK Vaccines, Rixensart, Belgium (V.V., L.L.); the University of California, San Francisco, San Francisco (P.J.L., L.C.G., E. Stein, A.A.); the Centers for Disease Control and Prevention, Office of Policy, Planning, and Partnerships, Atlanta (A.A.); and ReiThera, Rome (E. Scarselli, A.F., S. Capone), and CEINGE, Naples (A.N.) - both in Italy
| | - Rebecca T Veenhuis
- From the University of New Mexico, Albuquerque (K.P., E.T., K.T., K.W.); Johns Hopkins University, Baltimore (M.T.M., R.T.V., M.W., K.E.R., G.M., W.O.O., M.F., A.L.C.), the Division of Microbiology and Infectious Diseases, National Institute of Allergy and Infectious Diseases (S. Chang, R.G.), and the Emmes Company (M.R.W.), Rockville, and the Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda (M.G.G., T.J.L.) - all in Maryland; GSK Vaccines, Rixensart, Belgium (V.V., L.L.); the University of California, San Francisco, San Francisco (P.J.L., L.C.G., E. Stein, A.A.); the Centers for Disease Control and Prevention, Office of Policy, Planning, and Partnerships, Atlanta (A.A.); and ReiThera, Rome (E. Scarselli, A.F., S. Capone), and CEINGE, Naples (A.N.) - both in Italy
| | - Matthew Winter
- From the University of New Mexico, Albuquerque (K.P., E.T., K.T., K.W.); Johns Hopkins University, Baltimore (M.T.M., R.T.V., M.W., K.E.R., G.M., W.O.O., M.F., A.L.C.), the Division of Microbiology and Infectious Diseases, National Institute of Allergy and Infectious Diseases (S. Chang, R.G.), and the Emmes Company (M.R.W.), Rockville, and the Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda (M.G.G., T.J.L.) - all in Maryland; GSK Vaccines, Rixensart, Belgium (V.V., L.L.); the University of California, San Francisco, San Francisco (P.J.L., L.C.G., E. Stein, A.A.); the Centers for Disease Control and Prevention, Office of Policy, Planning, and Partnerships, Atlanta (A.A.); and ReiThera, Rome (E. Scarselli, A.F., S. Capone), and CEINGE, Naples (A.N.) - both in Italy
| | - Kimberly E Rousseau
- From the University of New Mexico, Albuquerque (K.P., E.T., K.T., K.W.); Johns Hopkins University, Baltimore (M.T.M., R.T.V., M.W., K.E.R., G.M., W.O.O., M.F., A.L.C.), the Division of Microbiology and Infectious Diseases, National Institute of Allergy and Infectious Diseases (S. Chang, R.G.), and the Emmes Company (M.R.W.), Rockville, and the Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda (M.G.G., T.J.L.) - all in Maryland; GSK Vaccines, Rixensart, Belgium (V.V., L.L.); the University of California, San Francisco, San Francisco (P.J.L., L.C.G., E. Stein, A.A.); the Centers for Disease Control and Prevention, Office of Policy, Planning, and Partnerships, Atlanta (A.A.); and ReiThera, Rome (E. Scarselli, A.F., S. Capone), and CEINGE, Naples (A.N.) - both in Italy
| | - Guido Massaccesi
- From the University of New Mexico, Albuquerque (K.P., E.T., K.T., K.W.); Johns Hopkins University, Baltimore (M.T.M., R.T.V., M.W., K.E.R., G.M., W.O.O., M.F., A.L.C.), the Division of Microbiology and Infectious Diseases, National Institute of Allergy and Infectious Diseases (S. Chang, R.G.), and the Emmes Company (M.R.W.), Rockville, and the Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda (M.G.G., T.J.L.) - all in Maryland; GSK Vaccines, Rixensart, Belgium (V.V., L.L.); the University of California, San Francisco, San Francisco (P.J.L., L.C.G., E. Stein, A.A.); the Centers for Disease Control and Prevention, Office of Policy, Planning, and Partnerships, Atlanta (A.A.); and ReiThera, Rome (E. Scarselli, A.F., S. Capone), and CEINGE, Naples (A.N.) - both in Italy
| | - William O Osburn
- From the University of New Mexico, Albuquerque (K.P., E.T., K.T., K.W.); Johns Hopkins University, Baltimore (M.T.M., R.T.V., M.W., K.E.R., G.M., W.O.O., M.F., A.L.C.), the Division of Microbiology and Infectious Diseases, National Institute of Allergy and Infectious Diseases (S. Chang, R.G.), and the Emmes Company (M.R.W.), Rockville, and the Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda (M.G.G., T.J.L.) - all in Maryland; GSK Vaccines, Rixensart, Belgium (V.V., L.L.); the University of California, San Francisco, San Francisco (P.J.L., L.C.G., E. Stein, A.A.); the Centers for Disease Control and Prevention, Office of Policy, Planning, and Partnerships, Atlanta (A.A.); and ReiThera, Rome (E. Scarselli, A.F., S. Capone), and CEINGE, Naples (A.N.) - both in Italy
| | - Michael Forman
- From the University of New Mexico, Albuquerque (K.P., E.T., K.T., K.W.); Johns Hopkins University, Baltimore (M.T.M., R.T.V., M.W., K.E.R., G.M., W.O.O., M.F., A.L.C.), the Division of Microbiology and Infectious Diseases, National Institute of Allergy and Infectious Diseases (S. Chang, R.G.), and the Emmes Company (M.R.W.), Rockville, and the Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda (M.G.G., T.J.L.) - all in Maryland; GSK Vaccines, Rixensart, Belgium (V.V., L.L.); the University of California, San Francisco, San Francisco (P.J.L., L.C.G., E. Stein, A.A.); the Centers for Disease Control and Prevention, Office of Policy, Planning, and Partnerships, Atlanta (A.A.); and ReiThera, Rome (E. Scarselli, A.F., S. Capone), and CEINGE, Naples (A.N.) - both in Italy
| | - Elaine Thomas
- From the University of New Mexico, Albuquerque (K.P., E.T., K.T., K.W.); Johns Hopkins University, Baltimore (M.T.M., R.T.V., M.W., K.E.R., G.M., W.O.O., M.F., A.L.C.), the Division of Microbiology and Infectious Diseases, National Institute of Allergy and Infectious Diseases (S. Chang, R.G.), and the Emmes Company (M.R.W.), Rockville, and the Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda (M.G.G., T.J.L.) - all in Maryland; GSK Vaccines, Rixensart, Belgium (V.V., L.L.); the University of California, San Francisco, San Francisco (P.J.L., L.C.G., E. Stein, A.A.); the Centers for Disease Control and Prevention, Office of Policy, Planning, and Partnerships, Atlanta (A.A.); and ReiThera, Rome (E. Scarselli, A.F., S. Capone), and CEINGE, Naples (A.N.) - both in Italy
| | - Karla Thornton
- From the University of New Mexico, Albuquerque (K.P., E.T., K.T., K.W.); Johns Hopkins University, Baltimore (M.T.M., R.T.V., M.W., K.E.R., G.M., W.O.O., M.F., A.L.C.), the Division of Microbiology and Infectious Diseases, National Institute of Allergy and Infectious Diseases (S. Chang, R.G.), and the Emmes Company (M.R.W.), Rockville, and the Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda (M.G.G., T.J.L.) - all in Maryland; GSK Vaccines, Rixensart, Belgium (V.V., L.L.); the University of California, San Francisco, San Francisco (P.J.L., L.C.G., E. Stein, A.A.); the Centers for Disease Control and Prevention, Office of Policy, Planning, and Partnerships, Atlanta (A.A.); and ReiThera, Rome (E. Scarselli, A.F., S. Capone), and CEINGE, Naples (A.N.) - both in Italy
| | - Katherine Wagner
- From the University of New Mexico, Albuquerque (K.P., E.T., K.T., K.W.); Johns Hopkins University, Baltimore (M.T.M., R.T.V., M.W., K.E.R., G.M., W.O.O., M.F., A.L.C.), the Division of Microbiology and Infectious Diseases, National Institute of Allergy and Infectious Diseases (S. Chang, R.G.), and the Emmes Company (M.R.W.), Rockville, and the Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda (M.G.G., T.J.L.) - all in Maryland; GSK Vaccines, Rixensart, Belgium (V.V., L.L.); the University of California, San Francisco, San Francisco (P.J.L., L.C.G., E. Stein, A.A.); the Centers for Disease Control and Prevention, Office of Policy, Planning, and Partnerships, Atlanta (A.A.); and ReiThera, Rome (E. Scarselli, A.F., S. Capone), and CEINGE, Naples (A.N.) - both in Italy
| | - Ventzislav Vassilev
- From the University of New Mexico, Albuquerque (K.P., E.T., K.T., K.W.); Johns Hopkins University, Baltimore (M.T.M., R.T.V., M.W., K.E.R., G.M., W.O.O., M.F., A.L.C.), the Division of Microbiology and Infectious Diseases, National Institute of Allergy and Infectious Diseases (S. Chang, R.G.), and the Emmes Company (M.R.W.), Rockville, and the Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda (M.G.G., T.J.L.) - all in Maryland; GSK Vaccines, Rixensart, Belgium (V.V., L.L.); the University of California, San Francisco, San Francisco (P.J.L., L.C.G., E. Stein, A.A.); the Centers for Disease Control and Prevention, Office of Policy, Planning, and Partnerships, Atlanta (A.A.); and ReiThera, Rome (E. Scarselli, A.F., S. Capone), and CEINGE, Naples (A.N.) - both in Italy
| | - Lan Lin
- From the University of New Mexico, Albuquerque (K.P., E.T., K.T., K.W.); Johns Hopkins University, Baltimore (M.T.M., R.T.V., M.W., K.E.R., G.M., W.O.O., M.F., A.L.C.), the Division of Microbiology and Infectious Diseases, National Institute of Allergy and Infectious Diseases (S. Chang, R.G.), and the Emmes Company (M.R.W.), Rockville, and the Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda (M.G.G., T.J.L.) - all in Maryland; GSK Vaccines, Rixensart, Belgium (V.V., L.L.); the University of California, San Francisco, San Francisco (P.J.L., L.C.G., E. Stein, A.A.); the Centers for Disease Control and Prevention, Office of Policy, Planning, and Partnerships, Atlanta (A.A.); and ReiThera, Rome (E. Scarselli, A.F., S. Capone), and CEINGE, Naples (A.N.) - both in Italy
| | - Paula J Lum
- From the University of New Mexico, Albuquerque (K.P., E.T., K.T., K.W.); Johns Hopkins University, Baltimore (M.T.M., R.T.V., M.W., K.E.R., G.M., W.O.O., M.F., A.L.C.), the Division of Microbiology and Infectious Diseases, National Institute of Allergy and Infectious Diseases (S. Chang, R.G.), and the Emmes Company (M.R.W.), Rockville, and the Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda (M.G.G., T.J.L.) - all in Maryland; GSK Vaccines, Rixensart, Belgium (V.V., L.L.); the University of California, San Francisco, San Francisco (P.J.L., L.C.G., E. Stein, A.A.); the Centers for Disease Control and Prevention, Office of Policy, Planning, and Partnerships, Atlanta (A.A.); and ReiThera, Rome (E. Scarselli, A.F., S. Capone), and CEINGE, Naples (A.N.) - both in Italy
| | - Linda C Giudice
- From the University of New Mexico, Albuquerque (K.P., E.T., K.T., K.W.); Johns Hopkins University, Baltimore (M.T.M., R.T.V., M.W., K.E.R., G.M., W.O.O., M.F., A.L.C.), the Division of Microbiology and Infectious Diseases, National Institute of Allergy and Infectious Diseases (S. Chang, R.G.), and the Emmes Company (M.R.W.), Rockville, and the Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda (M.G.G., T.J.L.) - all in Maryland; GSK Vaccines, Rixensart, Belgium (V.V., L.L.); the University of California, San Francisco, San Francisco (P.J.L., L.C.G., E. Stein, A.A.); the Centers for Disease Control and Prevention, Office of Policy, Planning, and Partnerships, Atlanta (A.A.); and ReiThera, Rome (E. Scarselli, A.F., S. Capone), and CEINGE, Naples (A.N.) - both in Italy
| | - Ellen Stein
- From the University of New Mexico, Albuquerque (K.P., E.T., K.T., K.W.); Johns Hopkins University, Baltimore (M.T.M., R.T.V., M.W., K.E.R., G.M., W.O.O., M.F., A.L.C.), the Division of Microbiology and Infectious Diseases, National Institute of Allergy and Infectious Diseases (S. Chang, R.G.), and the Emmes Company (M.R.W.), Rockville, and the Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda (M.G.G., T.J.L.) - all in Maryland; GSK Vaccines, Rixensart, Belgium (V.V., L.L.); the University of California, San Francisco, San Francisco (P.J.L., L.C.G., E. Stein, A.A.); the Centers for Disease Control and Prevention, Office of Policy, Planning, and Partnerships, Atlanta (A.A.); and ReiThera, Rome (E. Scarselli, A.F., S. Capone), and CEINGE, Naples (A.N.) - both in Italy
| | - Alice Asher
- From the University of New Mexico, Albuquerque (K.P., E.T., K.T., K.W.); Johns Hopkins University, Baltimore (M.T.M., R.T.V., M.W., K.E.R., G.M., W.O.O., M.F., A.L.C.), the Division of Microbiology and Infectious Diseases, National Institute of Allergy and Infectious Diseases (S. Chang, R.G.), and the Emmes Company (M.R.W.), Rockville, and the Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda (M.G.G., T.J.L.) - all in Maryland; GSK Vaccines, Rixensart, Belgium (V.V., L.L.); the University of California, San Francisco, San Francisco (P.J.L., L.C.G., E. Stein, A.A.); the Centers for Disease Control and Prevention, Office of Policy, Planning, and Partnerships, Atlanta (A.A.); and ReiThera, Rome (E. Scarselli, A.F., S. Capone), and CEINGE, Naples (A.N.) - both in Italy
| | - Soju Chang
- From the University of New Mexico, Albuquerque (K.P., E.T., K.T., K.W.); Johns Hopkins University, Baltimore (M.T.M., R.T.V., M.W., K.E.R., G.M., W.O.O., M.F., A.L.C.), the Division of Microbiology and Infectious Diseases, National Institute of Allergy and Infectious Diseases (S. Chang, R.G.), and the Emmes Company (M.R.W.), Rockville, and the Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda (M.G.G., T.J.L.) - all in Maryland; GSK Vaccines, Rixensart, Belgium (V.V., L.L.); the University of California, San Francisco, San Francisco (P.J.L., L.C.G., E. Stein, A.A.); the Centers for Disease Control and Prevention, Office of Policy, Planning, and Partnerships, Atlanta (A.A.); and ReiThera, Rome (E. Scarselli, A.F., S. Capone), and CEINGE, Naples (A.N.) - both in Italy
| | - Richard Gorman
- From the University of New Mexico, Albuquerque (K.P., E.T., K.T., K.W.); Johns Hopkins University, Baltimore (M.T.M., R.T.V., M.W., K.E.R., G.M., W.O.O., M.F., A.L.C.), the Division of Microbiology and Infectious Diseases, National Institute of Allergy and Infectious Diseases (S. Chang, R.G.), and the Emmes Company (M.R.W.), Rockville, and the Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda (M.G.G., T.J.L.) - all in Maryland; GSK Vaccines, Rixensart, Belgium (V.V., L.L.); the University of California, San Francisco, San Francisco (P.J.L., L.C.G., E. Stein, A.A.); the Centers for Disease Control and Prevention, Office of Policy, Planning, and Partnerships, Atlanta (A.A.); and ReiThera, Rome (E. Scarselli, A.F., S. Capone), and CEINGE, Naples (A.N.) - both in Italy
| | - Marc G Ghany
- From the University of New Mexico, Albuquerque (K.P., E.T., K.T., K.W.); Johns Hopkins University, Baltimore (M.T.M., R.T.V., M.W., K.E.R., G.M., W.O.O., M.F., A.L.C.), the Division of Microbiology and Infectious Diseases, National Institute of Allergy and Infectious Diseases (S. Chang, R.G.), and the Emmes Company (M.R.W.), Rockville, and the Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda (M.G.G., T.J.L.) - all in Maryland; GSK Vaccines, Rixensart, Belgium (V.V., L.L.); the University of California, San Francisco, San Francisco (P.J.L., L.C.G., E. Stein, A.A.); the Centers for Disease Control and Prevention, Office of Policy, Planning, and Partnerships, Atlanta (A.A.); and ReiThera, Rome (E. Scarselli, A.F., S. Capone), and CEINGE, Naples (A.N.) - both in Italy
| | - T Jake Liang
- From the University of New Mexico, Albuquerque (K.P., E.T., K.T., K.W.); Johns Hopkins University, Baltimore (M.T.M., R.T.V., M.W., K.E.R., G.M., W.O.O., M.F., A.L.C.), the Division of Microbiology and Infectious Diseases, National Institute of Allergy and Infectious Diseases (S. Chang, R.G.), and the Emmes Company (M.R.W.), Rockville, and the Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda (M.G.G., T.J.L.) - all in Maryland; GSK Vaccines, Rixensart, Belgium (V.V., L.L.); the University of California, San Francisco, San Francisco (P.J.L., L.C.G., E. Stein, A.A.); the Centers for Disease Control and Prevention, Office of Policy, Planning, and Partnerships, Atlanta (A.A.); and ReiThera, Rome (E. Scarselli, A.F., S. Capone), and CEINGE, Naples (A.N.) - both in Italy
| | - Michael R Wierzbicki
- From the University of New Mexico, Albuquerque (K.P., E.T., K.T., K.W.); Johns Hopkins University, Baltimore (M.T.M., R.T.V., M.W., K.E.R., G.M., W.O.O., M.F., A.L.C.), the Division of Microbiology and Infectious Diseases, National Institute of Allergy and Infectious Diseases (S. Chang, R.G.), and the Emmes Company (M.R.W.), Rockville, and the Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda (M.G.G., T.J.L.) - all in Maryland; GSK Vaccines, Rixensart, Belgium (V.V., L.L.); the University of California, San Francisco, San Francisco (P.J.L., L.C.G., E. Stein, A.A.); the Centers for Disease Control and Prevention, Office of Policy, Planning, and Partnerships, Atlanta (A.A.); and ReiThera, Rome (E. Scarselli, A.F., S. Capone), and CEINGE, Naples (A.N.) - both in Italy
| | - Elisa Scarselli
- From the University of New Mexico, Albuquerque (K.P., E.T., K.T., K.W.); Johns Hopkins University, Baltimore (M.T.M., R.T.V., M.W., K.E.R., G.M., W.O.O., M.F., A.L.C.), the Division of Microbiology and Infectious Diseases, National Institute of Allergy and Infectious Diseases (S. Chang, R.G.), and the Emmes Company (M.R.W.), Rockville, and the Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda (M.G.G., T.J.L.) - all in Maryland; GSK Vaccines, Rixensart, Belgium (V.V., L.L.); the University of California, San Francisco, San Francisco (P.J.L., L.C.G., E. Stein, A.A.); the Centers for Disease Control and Prevention, Office of Policy, Planning, and Partnerships, Atlanta (A.A.); and ReiThera, Rome (E. Scarselli, A.F., S. Capone), and CEINGE, Naples (A.N.) - both in Italy
| | - Alfredo Nicosia
- From the University of New Mexico, Albuquerque (K.P., E.T., K.T., K.W.); Johns Hopkins University, Baltimore (M.T.M., R.T.V., M.W., K.E.R., G.M., W.O.O., M.F., A.L.C.), the Division of Microbiology and Infectious Diseases, National Institute of Allergy and Infectious Diseases (S. Chang, R.G.), and the Emmes Company (M.R.W.), Rockville, and the Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda (M.G.G., T.J.L.) - all in Maryland; GSK Vaccines, Rixensart, Belgium (V.V., L.L.); the University of California, San Francisco, San Francisco (P.J.L., L.C.G., E. Stein, A.A.); the Centers for Disease Control and Prevention, Office of Policy, Planning, and Partnerships, Atlanta (A.A.); and ReiThera, Rome (E. Scarselli, A.F., S. Capone), and CEINGE, Naples (A.N.) - both in Italy
| | - Antonella Folgori
- From the University of New Mexico, Albuquerque (K.P., E.T., K.T., K.W.); Johns Hopkins University, Baltimore (M.T.M., R.T.V., M.W., K.E.R., G.M., W.O.O., M.F., A.L.C.), the Division of Microbiology and Infectious Diseases, National Institute of Allergy and Infectious Diseases (S. Chang, R.G.), and the Emmes Company (M.R.W.), Rockville, and the Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda (M.G.G., T.J.L.) - all in Maryland; GSK Vaccines, Rixensart, Belgium (V.V., L.L.); the University of California, San Francisco, San Francisco (P.J.L., L.C.G., E. Stein, A.A.); the Centers for Disease Control and Prevention, Office of Policy, Planning, and Partnerships, Atlanta (A.A.); and ReiThera, Rome (E. Scarselli, A.F., S. Capone), and CEINGE, Naples (A.N.) - both in Italy
| | - Stefania Capone
- From the University of New Mexico, Albuquerque (K.P., E.T., K.T., K.W.); Johns Hopkins University, Baltimore (M.T.M., R.T.V., M.W., K.E.R., G.M., W.O.O., M.F., A.L.C.), the Division of Microbiology and Infectious Diseases, National Institute of Allergy and Infectious Diseases (S. Chang, R.G.), and the Emmes Company (M.R.W.), Rockville, and the Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda (M.G.G., T.J.L.) - all in Maryland; GSK Vaccines, Rixensart, Belgium (V.V., L.L.); the University of California, San Francisco, San Francisco (P.J.L., L.C.G., E. Stein, A.A.); the Centers for Disease Control and Prevention, Office of Policy, Planning, and Partnerships, Atlanta (A.A.); and ReiThera, Rome (E. Scarselli, A.F., S. Capone), and CEINGE, Naples (A.N.) - both in Italy
| | - Andrea L Cox
- From the University of New Mexico, Albuquerque (K.P., E.T., K.T., K.W.); Johns Hopkins University, Baltimore (M.T.M., R.T.V., M.W., K.E.R., G.M., W.O.O., M.F., A.L.C.), the Division of Microbiology and Infectious Diseases, National Institute of Allergy and Infectious Diseases (S. Chang, R.G.), and the Emmes Company (M.R.W.), Rockville, and the Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda (M.G.G., T.J.L.) - all in Maryland; GSK Vaccines, Rixensart, Belgium (V.V., L.L.); the University of California, San Francisco, San Francisco (P.J.L., L.C.G., E. Stein, A.A.); the Centers for Disease Control and Prevention, Office of Policy, Planning, and Partnerships, Atlanta (A.A.); and ReiThera, Rome (E. Scarselli, A.F., S. Capone), and CEINGE, Naples (A.N.) - both in Italy
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