virus variants

Why Are Variants Important in Epidemiology?


Understanding variants is crucial for several reasons. First, they can influence the transmissibility of the virus. Some variants may spread more easily than others, leading to higher infection rates. Second, variants can impact vaccine efficacy. If a variant has significant mutations in the spike protein, it might partially evade the immunity provided by current vaccines. Third, variants can affect the severity of the disease, potentially leading to more severe or milder forms of the illness.

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