The twenty-first century has witnessed a wave of severe infectious disease outbreaks, not
least the COVID-19 pandemic, which has had a devastating impact on lives and livelihoods …

SUMMARY The coronavirus disease 2019 (COVID-19) pandemic, caused by severe acute
respiratory disease coronavirus 2 (SARS-CoV-2), has led to millions of confirmed cases and …

Background Spain is one of the European countries most affected by the COVID-19
pandemic. Serological surveys are a valuable tool to assess the extent of the epidemic …

The future trajectory of the coronavirus disease 2019 (COVID-19) pandemic hinges on the
dynamics of adaptive immunity against severe acute respiratory syndrome coronavirus 2 …

As the initial phase of the COVID-19 pandemic passes its peak in many countries,
serological studies are becoming increasingly important in guiding public health responses …

Influenza epidemics vary in intensity from year to year, driven by climatic conditions and by
viral antigenic evolution. However, important spatial variation remains unexplained. Here we …

Objective To estimate the infection fatality risk for severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2), based on deaths with confirmed coronavirus disease 2019 …

Although epidemic jaundice was well known to physicians of antiquity, it is only in recent
years that medical science has begun to unravel the origins of hepatitis A virus (HAV) and …

The only approaches currently available to reduce transmission of the novel coronavirus
severe acute respiratory syndrome–coronavirus 2 (SARS-CoV-2) are behavioral …

Salmonella enterica subspecies enterica serovar Typhi (Salmonella Typhi) is the cause of
typhoid fever and a human host–restricted organism. Our understanding of the global …