It is the nature of viruses to mutate and give rise to new variants. But the question is, why are some variants more contagious than others. Why are some variants more contagious than others? Size and structure of the virus: It is the structure of the virus that causes all the difference. It is essential to note that the factors contributing to a virus's contagiousness are complex and can vary between different viruses and their variants.

Source: Mint March 08, 2023 01:33 UTC