Background Mass indoor gatherings were banned in early 2020 to prevent the spread of
SARS-CoV-2. We aimed to assess, under controlled conditions, whether infection rates …

While the coronavirus disease 2019 (COVID-19) pandemic has peaked in many countries
already, the current challenge is to assess population immunity on a large scale. Many …

Objectives Environmental contamination by patients with severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2) through respiratory droplets suggests that surfaces and …

Abstract Background The World Health Organization (WHO) reported an outbreak of
monkeypox virus (MPXV) in Western countries on May 12 th, 2022. In early October, WHO …

Rapid identification of SARS-CoV-2-infected individuals is a cornerstone for the control of
virus spread. The sensitivity of SARS-CoV-2 RNA detection by RT-PCR is similar in saliva …

Nasopharyngeal sampling for nucleic acid amplification testing (NAAT) is the standard
diagnostic test of coronavirus disease 2019. Our objectives were to assess, in real-life …

Background The decision about whether to switch to third-line antiretroviral therapy (ART) in
patients with treatment failure on second-line therapy is difficult in settings with little access …

Limited access to nucleic acid testing (NAT) to quantify HBV DNA levels, an essential tool to
determine anti‐HBV treatment eligibility, represents a significant barrier to scale up HBV …

Background Men who have sex with men (MSM) have an increased risk of infection by
pathogens transmitted by the oro-fecal route. Here, we investigated the seroprevalence and …

Objectives To determine the extent of hepatitis B virus (HBV) suppression and its association
with seroclearance of hepatitis 'e'antigen (HBeAg) and hepatitis B surface antigen (HBsAg) …