Even thought countries have relaxed lockdowns across the world however the pandemic seems to be far from over.
With the detection of the South African strain of coronavirus in India government has revised Covid guidelines for international travellers. As per the South African government Covishield which is being developed by Serum Institute in India, has limited efficacy against the virus.
The South African strain of Covid-19 or 501Y.V2 is a mutation of the Covid-19 virus. Moreover Pfizer has also said that the African variant can reduce vaccine protection.
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