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A comment on India's massive COVID surge puzzles scientists. Parent comment

Re:India's massive COVID surge puzzles scientists by collyw on Thursday April 22, 2021 @03:23AM (#26899788)
I have read some peer reviewed research that suggested that exposure to other coronaviruses (including SARS from 2003) do give some level of immunity to Covid 19
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Re:India's massive COVID surge puzzles scientists by vijaybritto on Thursday April 22, 2021 @04:27AM (#26900255)
Yes and they are not common viruses that people get exposed to everyday.
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Re:India's massive COVID surge puzzles scientists by AuryGlenz on Thursday April 22, 2021 @11:49AM (#26904117)
Coronaviruses are common, and India is also in the region where this nasty one originated.

For all we know, a worse one swept through the population 3000 years ago and inferred some genetic immunity. Or they have cross immunity from recent infections.

It’s weird this never gets talked about, considering how all of the countries near China did quite well (relatively).

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Re:India's massive COVID surge puzzles scientists by collyw on Tuesday April 27, 2021 @11:29AM (#26957262)
As I understand it around 1 in 4 colds are caused by coronaviruses. The Diamond Princess cruise ship only ever had 20% of the passengers that tested positive, implying a fair bit of previous immunity.
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