Mutation

United States has expressed its concern over possibility of a new mutation of Covid-19 virus.

Even though DNA replicates with astounding precision, it's not immune to mistakes and can lead to mutations

BAG5 is important for calcium handling in the heart muscle cells

While some evidence might suggest that Omicron causes milder symptoms than the earlier Delta variant, it's still early days to draw any final conclusions, WHO experts have said.

Health authorities in England are believed to be especially concerned about one strain out of three Indian variants they have been tracking since last month.