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Background: The insufficient knowledge regarding the serological status of people affected with human immunodeficiency virus (HIV) is a concern in Brazil. HIV self-testing (HIVST) has been proved to have great potential for increasing testing, especially among vulnerable populations. The large-scale distribution of HIVST by the Brazilian public health system has increased in recent years. We aimed to investigate the awareness of HIVST among health care providers (HCP) from specialized HIV/AIDS care services in the state of Bahia, Northeast Brazil. Further we investigated HCP acceptability and willingness to offer its use., Methods: A cross-sectional study on HCP from 29 specialized care services (SCS) located in 21 cities in the state of Bahia. HCP working in the service for at least 6 months were included. Sociodemographic, occupational, and behavioral data were collected using a questionnaire. Descriptive statistics were carried out. Bivariate, and multivariate analyses estimating adjusted odds ratios (aOR) and 95% confidence intervals (95% CI) using logistic regression were conducted., Results: The awareness and acceptability of HIVST and the willingness to provide it were 79.8, 55.2, and 47.1%, respectively. Few HCP reported that the SCS where they worked dispensed HIVST (3.6%), and 13.5% received some information or training on HIVST. Factors associated with willingness to offer HIVST were: HIVST acceptability (aOR = 9.45; 95% CI: 4.53-19.71), willingness to use HIVST on themselves (aOR = 4.45; 95% CI: 1.62-12.24), confidence in offering HIVST to clients (aOR = 5.73; 95% CI: 2.26-12.72), and considering everyone eligible for HIVST (aOR = 2.88; 95% CI: 1.25-6.59)., Conclusions: Although most HCP were aware of HIVST, acceptability and willingness to provide it to the clients was moderate. The scale up of HIVST as a mean for the HIV prevention and control policy in Brazil, requires further training of HCP and better implementation of this program., (© 2022. The Author(s).)

Background: Interleukin 6 (IL-6) has an inflammatory effect, and its concentration in serum increases during exercise. However, no studies have assessed acute changes in IL-6 concentration after consecutive days of extreme and long-term exercise., Objective: This study aimed to assess acute changes in serum IL-6 concentration during four days of long-distance walking., Methods: This prospective observational study assessed 25 athletes (aged 44.8 ± 9.1 years), who covered a total of 251 km in four days. Blood samples were collected daily to assess serum IL-6 concentrations. Repeated-measures analysis of variance (with Bonferroni's post hoc test) and the Kruskal-Wallis H -test (with Dunn's post hoc test) were used to investigate the differences between the measures., Results: The serum IL-6 concentrations were higher on the four days of walking (1st day: 26.8 ± 14.8; 2nd day: 14 ± 7.4; 3rd day: 9.4 ± 10.8; 4th day: 4.5 ± 0.2 pg/mL) when compared to pre-walk values (pre-walk: 2.2 ± 2.1 pg/mL; p < 0.001). On the first day, there was a tenfold increase compared to the pre-walk value., Conclusion: The inflammatory response increased the serum concentration of IL-6 after four days of exercise. With the passing of days, there were reductions but not to baseline values., Competing Interests: The authors declare that there are no conflicts of interest., (© 2020 Soares et al.)