Will pre-exposure to Covid protect us from newer strains?
While the UK has entered into a second lockdown, people here also fear of the new strain possibly causing reinfections.
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A health worker waits to collect swab samples from residents to test for the Covid-19 coronavirus. (Photo| AFP)
Express News Service
CHENNAI: The new strain of Covid-19, which is suspected to be 70 per cent more transmissible than the current one, may not have much impact on those who have already been exposed to the current strain, say experts.
Thes state, which was starting to lower its guard after bringing down the cases considerably, tightened measures when the new strain originated in the United Kingdom, and a passenger who landed in Chennai from the country tested positive.