Studies show that a fourth mRNA vaccine dose offers the elderly and other high-risk groups strong protection against hospitalization and death from COVID-19, but experts say benefits for other populations may be more limited.
A device smaller than two stacked decks of cards can reliably detect and discriminate between SARS-CoV-2 variants in spit in less than an hour with results that glow.
Stronger interferon production, greater T cell activation, and increased susceptibility to autoimmunity are just some of the ways that females seem to differ from males.
Researchers at the RIKEN Center for Developmental Biology will treat the first patient in its clinical trial testing an induced pluripotent stem cell-based treatment for age-related macular degeneration.