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>Remember this is SARS-CoV-2. Where's the mutations and endless new strains of SARS-CoV-1? There aren't any, it was eliminated in humans. I think this is only
by carlmr 6y ago
>Remember this is SARS-CoV-2. Where's the mutations and endless new strains of SARS-CoV-1? There aren't any, it was eliminated in humans.
I think this is only because it was contained in China before it reached the world. They had an excellent pandemic response and quashed it before it reached other countries.
This time around it had spread around the world before we even heard about it. It was completely predictable containment efforts would be futile.
- nopzor 6y agosars definitely reached other countries outside of china..
- curlypaul924 6y ago> I think this is only because it was contained in China before it reached the world Is this true? According to the CDC, there were SARS cases reported in Europe and the Americas prior to containment in China. Why was it different this time around?
- cperciva 6y agoSARS was more lethal and people actually took public health measures seriously.
- lazide 6y agoAdditionally, SARS v1 was not contagious until there were visible symptoms - a huge difference from COVID/SARS v2.
- cperciva 6y agoI wouldn't put too much confidence in that. SARS wasn't known to be contagious presymptomatically, but neither was COVID-19 for many months. Levels of presymptomatic transmission similar to COVID-19 are entirely consistent with the evidence we have from SARS.
- lazide 6y agoThat seems unlikely, if for no other reason than the way COVID has spread. Do you have any data? All the data I've seen on SARs and the mechanisms deployed to control it indicate infectivity at or only very, very shortly before clear symptoms or they would not have been able to control it. COVID is quite clearly infectious before visible symptoms of any kind, and even when visible many times symptoms are pretty mild - where SARs was not - and this matches it's observed spread and difficulty in controlling it.