LONDON: Russia's plan to roll-out its 'Sputnik-V' COVID-19 vaccine even before full trials show how well it works is prompting concern among virus ...
LONDON: Russia's plan to roll-out its"Sputnik-V" COVID-19 vaccine even before full trials show how well it works is prompting concern among virus experts, who warn a partially effective shot may encourage the novel coronavirus to mutate.
But the results of those trials have not been made public, and many Western scientists are sceptical, warning against its use until all internationally approved testing and regulatory hurdles have been passed. She said that the risk of what a vaccine might do to a virus - in terms of fighting it, blocking it, or forcing it to adapt - is"always a concern".Dan Barouch, a specialist at Harvard's Beth Israel Deaconess Medical Center in Boston, noted that mutation rates for coronaviruses are far lower than for viruses like HIV, but added:"There are many potential downsides of using a vaccine that doesn't work. The risk that it would mutate is a theoretical risk.
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