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When vaccines work they are usually great at stopping the spread. For the original strain of covid, for example, it both stopped symptoms **and** stopped the spread.
The new variants however (such as delta, the most prevalent one, and omicron) it is either completely in effective or significantly less effective (hard to draw firm conclusions off what studies we have). The point is, its not effective at stopping the spread because the spike protein it encodes for is different in the variants and thus the antibodies are ineffective to a significant degree (if not completely).
yea masks im not sure about. The data in them are questionable in either direction so we can only speculate about how or if they are effective.
I think if you are very strict in how you use them they probably help, but most people, almost no one, handles mask with the level of rigor needed for them to be effective.
ofc it is not randomised but it is hard to do that with a pandemic disease
Its also quite horrific for the deaf who rely on lip reading.
I know for me it gives me a great deal of distress to wear one, but thats another matter.
with other virus based diseases people who go to sauna have less issues and get sick less often but there is no data for covid.
sauna itself is cleaning the skin and often training the lungs and the heart.
regarding drinking im at the priviliged position to have home office and everything so i wear a mask like less than an hour per day and can stop eating/drinking for that time
I would expect saunas to kill coroana by drying out the droplets quickly, not by heat. Assuming we are talking a dry sauna. In a wet sauna I'd expect corona to thrive.
I think if you wear a mask for short periods to enter a store and throw it away after and are careful to only handle it by the elastic bands (or disinfect your hands right after) then it is probably offering some sort of protective effect. But i also suspect this is a small minority of cases. Most people are no longer staying home and are going about their normal lives just adding masks on top. So for most people I expect masks to probably cause more harm than good because of the habits introduced over the long term as we already covered.
for me it is i still wanna go to the gym if possible. i dont mind a mask but not working out would be really bad for me