A review article containing contested claims about the tropical medicine drug as a COVID-19 treatment was listed as “provisionally accepted” on the journal’s website before being removed this week.

The P.1 variant, which has also been detected in five US states, could be responsible for cases of reinfection, according to a preprint.

A treatment of two monoclonal antibodies against SARS-CoV-2 is ninefold less effective in the lab against the B.1.351 variant than against the dominant version of the virus.

Johnson & Johnson’s one-shot immunization could reach people’s arms as early as March 2.

Researchers find different distributions of the immune cells in young, older, and diseased eyes.

Males and females show differences in gene expression, cell activation, and antibody production in response to some viral infections, but whether these influence COVID-19 outcomes is still unclear.

Imaged in real time in living people, immune cells at the surface of the retina could serve as biomarkers to detect retinal and possibly neurological diseases and track their progression.

Two preliminary reports from the UK provide real-world evidence in support of the Pfizer/BioNTech and Oxford-AstraZeneca vaccines.

Researchers determined that when introduced into damaged mouse or donated human livers, these lab-grown tissues could integrate into bile ducts and function normally.