The latest addition to the omicron lineage has been making waves in Europe. Whether it will do the same in the U.S. depends on rates of vaccination and prior infection.
New variants of the COVID-19 virus may be more contagious and cause more severe disease than the original. A pediatrician and infectious disease specialist explains why.
Coronavirus is 30,000 RNA ‘letters’ long, meaning there are over a quintillion possible genome permutations.
As the US vaccinates millions more people each day, the novel coronavirus works to survive. It does this by mutating. So far, several variants are worrisome. A virologist explains what they are.
The real concern is if two variants infect the same cell and swap genetic material.
The Oxford/AstraZeneca vaccine is the latest to struggle against the South African variant in trials, while in Israel vaccines may be beginning to have an effect.
How worried should we be by the E484K mutation?