Background Blood donors are increasingly being recognized as an informative resource for
surveillance. We aimed to review and characterize SARS-CoV-2 seroprevalence studies …

The breakout of SARS-CoV-2 has resulted in the global spread of COVID-19, a viral
infection that has become a pandemic. Millions have been infected, with hundreds of …

This section asks for information about the work that you have submitted for publication. The
time frame for this reporting is that of the work itself, from the initial conception and planning …

A sub-class of small and medium (-sized) enterprises (SMEs) are family-run groceries and
restaurants, both businesses hard hit by the SARS-CoV-2/COVID-19 pandemic, given the …

Aging has long been associated with a (i) systematic bias in both attention and in memory
towards positive stimuli compared with negative, and (ii) a gradual increase in self-reported …

Feedback from operational stakeholders who manage or respond to outbreaks is that they
are often too busy to review literature or obtain relevant background information to assist …

Background: Since the outset of the COVID-19 pandemic, certain medical conditions and
healthcare settings were shown to be associated with an increased risk of severe illness …

abstract Background: In 2020 Lao PDR had low reported COVID-19 cases but it was unclear
whether this masked silent transmission. A seroprevalence study was done August …

La pandemia del nuevo coronavirus continúa con nosotros y lo hará por largo tiempo. Ha
causado un nuevo modo de vivir, con aislamiento, protección personal, distanciamiento …

In 589 CE, a devastating flood of the Tiber River at Rome was quickly followed by an
outbreak of bubonic plague. 1 The disease killed a countless multitude, including the pope …