3 ms·
> tend to weaken them over time Perhaps you could furnish us with some examples of such viruses? Every virus I can think of certainly hasn't weakened over time
by somewhereoutth 5y ago
> tend to weaken them over time
Perhaps you could furnish us with some examples of such viruses? Every virus I can think of certainly hasn't weakened over time.
- colechristensen 5y agoThe 1918 “Spanish” influenza pandemic that killed 1-5% of the human population still has descendants in circulation both direct and through horizontal gene transfers. Basically all influenza A infections contain at least a piece descended from 1918.