4 ms·
It might be worth pointing out that this study is about coronaviruses in general, not the coronavirus that causes COVID-19 (SARS-CoV-2).
by quicklime 6y ago
It might be worth pointing out that this study is about coronaviruses in general, not the coronavirus that causes COVID-19 (SARS-CoV-2).
- asdfasgasdgasdg 6y agoAlso worth noting that strain is not controlled for in this study. The study acknowledges at the end that reinfection may be by different strains. Under the same parameters as this study it could be said that flu infection doesn't confer immunity. But, it does, just there are a lot of distinct strains of flu.