One thought on “What is WHO doing to monitor and understand the impact of virus variants on the efficacy of COVID-19 vaccines?

  1. Arti says:

    The COVID-19 vaccines that are currently in development or have been approved are expected to provide at least a few protection against new virus variants because
    these vaccines elicit a broad immune response involving a range of antibodies and cells.         In the event that any of these vaccines prove to be less effective
    against one or more variants, it will be possible to change the composition of the vaccines to protect against these variants. The more opportunities a virus has to spread, the more it replicates – and the more opportunities it has to undergo changes. In the event that any of these vaccines prove to be less effective
    against one or more variants, it will be possible to change the composition of the vaccines to protect against these variants. Therefore, changes or mutations in the virus should not make vaccines completely ineffective. When a virus is widely circulating in a population and causing many infections, the likelihood of the virus mutating increases. Current measures to reduce transmission – including
    frequent hand washing, wearing a mask, physical distancing, good ventilation and avoiding crowded places o Stopping the spread at the source remains key. Current measures to reduce transmission – including
    frequent hand washing, wearing a mask, physical distancing, good ventilation and avoiding crowded places or closed settings – continue to work against new variants by reducing the amount of viral transmission and therefore also reducing opportunities
    for the virus to mutate.

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