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The mechanism of protection may be heterologous immunity. H.I is a consequence of an encounter with a specific antigen, which can alter the subsequent immune re
by mordeniks 6y ago
The mechanism of protection may be heterologous immunity. H.I is a consequence of an encounter with a specific antigen, which can alter the subsequent immune response to a different antigen. It can occur with infections or vaccination.
It is fascinating how the Covid-19 virus spreads rampantly through adult communities but almost stops in its tracks at schools - it's like there is herd immunity already in the schoolyard. This was demonstrated in a study that came out a week ago in Australia.
- Exmoor 6y agoI had to look up the study[0] you're referring to since I haven't heard anything other than a lot of anecdotal reports about children's ability to transmit the virus. [0]: https://www.smh.com.au/national/safe-as-houses-covid-19-study-clears-nsw-schools-for-student-return-20200425-p54n6i.html https://www.smh.com.au/national/safe-as-houses-covid-19-stud...