Potential impact of individual exposure histories to endemic human coronaviruses on age-dependent severity of COVID-19 https://t.co/jd81IeOi8e
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@JennyVrabec @RoncaLeonardo https://t.co/0m9orOWy4l this has been a big experiment and most if us are not antivax we are anti not knowing the science behind something before we take it lol. This is all new ground better to be cautious than regretful
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