More things I've learned about Covid-19
It's been a while since the last two posts on the topic so it seemed like a good idea to write down what I'd learned or changed my mind about recently on the topic. Immunity changes symptom timing One thing that's become important in the Omicron wave is that it seems that if you train your immune system to recognize a disease then you'll develop symptoms of that disease more quickly than if your body doesn't recognize it. Most of the symptoms we tend to get when sick like inflammation or a fever aren't directly caused by the disease but by our body's innate immune system fighting it. I'm actually not sure exactly why adaptive immunity leads to triggering innate immune responses faster but it's apparently a thing. Michael Mina has a nice infographic here on the topic which is also arguing that this means waiting 5 days after symptom onset to return to work might now not be good enough when previously it would have been. Previously the one genuine