Modelers try a new approach to gauge the true number of COVID-19 cases in the US by using surveillance data for flu-like illnesses.

Arizona, Florida, California, and others have seen record numbers of daily new coronavirus positives in the last couple of weeks, and that’s not just a reflection of more testing. Hospitalizations are up too.

Hydroxychloroquine and chloroquine, once thought to be promising COVID-19 treatments, come with serious heart risks.

Accounting for a limited stockpile of cholera vaccine can provide insight into the most effective way to distribute future COVID-19 vaccines.

After stating that asymptomatic individuals are unlikely to transmit the novel coronavirus, World Health Organization officials clarify that this is very much an open question.

Lesions in the lungs of patients with pneumonia caused by a SARS-CoV-2 infection are distinct from those caused by bacteria.

Elevated levels of a neurotoxin in northeastern Brazil’s drinking water and a high incidence of microcephaly in the region led scientists to look for a link, and they found one.

It can take days for each death to be recorded in official statistics. “Nowcasting” estimates the actual occurrence of deaths, and the true peak of the pandemic.

If governments were to use SARS-CoV-2 antibody tests to manage who can re-enter the workplace, society must accept a sacrifice of privacy.