Covid-19 antibodies, vaccines less effective against coronavirus variants: Study

Covid-19 antibody-based drugs and vaccines developed so far may become less effective as new variants of the novel coronavirus spread widely, according to a new study. The research, published in the journal Nature Medicine, noted that the three fast-spreading variants of the coronavirus first reported in South Africa, the UK and Brazil, can evade antibodies that work against the original form of the virus that sparked the pandemic.
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