SARS-CoV-2 is a positive-sense single-stranded RNA virus. It is contagious in humans and is the cause of the coronavirus disease 2019 (COVID-19). Non-active site mutations such as L50F are crucial ...
FRIDAY, Jan. 31, 2025 (HealthDay News) -- As a bird flu outbreak escalates across the U.S., the Trump administration has paused the release of key public health studies, stalling research that could ...