Impact of SARS-CoV-2 lockdown on expansion of HIV transmission clusters among key populations: A retrospective phylogenetic analysis

Examining trends in the incidence of HIV infection among people with a history of drug use to inform an outbreak investigation and response: A retrospective cohort study

BACKGROUND

In the context of an outbreak of HIV among people who inject drugs in Glasgow, Scotland, identified in 2015, our objectives were to: (1) develop epidemiological methods to estimate HIV incidence using data linkage, and (2) examine temporal changes in HIV incidence to inform public health responses.

METHODS

This was a retrospective cohort study involving data linkage of laboratory HIV testing data to identify individuals with a history of drug use. Person-years (PY) and Poisson regression were used to estimate incidence by time period (pre-outbreak: 2000-2010 and 2011-2013; early outbreak: 2014-2016; ongoing outbreak: 2017-2019).

RESULTS

Among 13 484 individuals tested for HIV, 144 incident HIV infections were observed from 2000 to 2019. Incidence rates increased from pre-outbreak periods (1.00/1000 PY (95% confidence interval, CI: 0.60-1.65) in 2000-2010 and 1.70/1000 PY (95% CI: 1.14-2.54) in 2011-2013) to 3.02/1000 PY (95% CI: 2.36-3.86) early outbreak (2014-2016) and 2.35 (95% CI 1.74-3.18) during the ongoing outbreak period (2017-2019). Compared with the pre-outbreak period (2000-2010), the incidence rates were significantly elevated during both the early outbreak (2014-16) (adjusted incidence rate ratio (aIRR) = 2.87, 95% CI: 1.62-5.09, p < 0.001) and the ongoing outbreak periods (2017-19) (aIRR = 2.12, 95% CI: 1.16-3.90, p = 0.015).

CONCLUSIONS

Public health responses helped to curb the rising incidence of HIV infection among people with a history of drug use in Glasgow, but further efforts are needed to reduce it to levels observed prior to the outbreak. Data linkage of routine diagnostic test data to assess and monitor incidence of HIV infection provided enhanced surveillance, which is important to inform outbreak investigations and guide national strategies on elimination of HIV transmission.

Stakeholder-engaged development of a rapid test for detection of acute HIV infection

Background/Objective

The utilization of rapid HIV tests has been effective at reducing transmission rates in high-risk populations by allowing individuals to receive diagnosis in as little as one minute and begin treatment. However, no current rapid tests can detect HIV immediately after infection in the acute HIV infection (AHI) phase, when the virus is at its most infectious, and instead require a waiting period of up to 90 days after exposure. Rapid HIV tests to detect AHI are currently under development. Investigation of stakeholder perspectives and context-specific needs are critical to ensure successful translation of novel AHI tests. The objectives of this study were to 1) understand context-specific factors such as barriers to HIV testing in Indiana, a state with one of 48 prioritized counties for HIV elimination; 2) assess the acceptability of a novel rapid AHI test, and 3) identify key implementation considerations for such a device, including ideal end-users.

Methods

Semi-structured in-depth interviews were conducted with staff (n = 14) and clients (n = 5) of Indiana-based organizations that conduct HIV testing, including syringe service programs. Utilizing human-centered design frameworks, interview guides were developed and tailored to each participant group to understand their experiences with HIV testing, perspectives on a novel rapid AHI test in development, and preferences for self-testing versus testing by a community health worker (CHW) or a peer recovery coach. Thematic analysis was conducted to identify major themes, including barriers to HIV testing and perceived benefits and concerns of the proposed AHI test.

Results

Overall acceptability for a novel AHI rapid test was high with a greater preference for CHW/Peerled testing. While self-testing was not a preferred modality, it was still seen as a potential tool to reach and address key barriers among high-risk individuals. Key considerations for implementation emphasized accuracy, cost-effectiveness, ease of use, ensuring access to counseling, education, and navigation to care while maintaining a human element to self-testing.

Conclusion

Stakeholder engagement is meaningfully informing the design, development, and implementation of rapid AHI testing in order to facilitate adoption among populations at high-risk for HIV.

Impact of Hospital Closure on Patients with Communicable and Non-Communicable Diseases During the COVID-19 Pandemic in Uganda: A Cross-Sectional and Mixed-Methods Study

Background

The COVID-19 pandemic and its measures have had a profound impact on universal access to health services. We investigated the impact of the closure of the Entebbe Regional Referral Hospital (ERRH) for two years on the accessibility to necessary healthcare among non-COVID-19 patients.

Methods

This mixed-methods study focused on ERRH patients with tuberculosis (TB), human immunodeficiency virus (HIV), diabetes/hypertension, and mental illness. A quantitative study used a structured-questionnaire with a primary outcome measure to assess the discontinuation of healthcare accessibility. A qualitative study with a focus group discussion (FGD) was conducted on eight patients.

Results

Of the 202 quantitative survey participants, 17.8% discontinued necessary healthcare due to the ERRH closure, and the discontinuation rates differed by disease: 48.1% of TB patients, 16.0% of HIV patients, 7.8% of diabetes/hypertension patients, and 4.0% of mental health patients (P < 0.001). Almost 90% of the patients reported a worsened health condition, regardless of the disease. Multivariable logistic regression analysis showed that patients with diabetes/hypertension (adjusted odds ratio [AOR], 12.69; 95% confidence interval [CI], 2.57-62.52) and HIV (AOR, 7.52; 95% CI, 1.37-41.27) were more likely to discontinue healthcare than those with mental illness. The factors associated with discontinued healthcare included age ≥50 years vs ≤30 years (AOR, 4.88; 95% CI, 1.07-22.34), and high transportation cost vs low cost (AOR, 3.15; 95% CI, 1.13-8.75). The FGD also identified difficulties in obtaining medication, especially for TB, even though ERRH provided the outreach services.

Conclusion

Our study revealed that the ERRH closure and lockdowns had an overall profound negative impact on access to healthcare and health conditions. Younger patients and those with TB were the most affected patients. This study provides practical suggestions from the field for policy makers to strengthen universal health access during health crises in Uganda and other sub-Saharan countries.