Pathology This paper from the USA says that what gut microbes you have affects how badly COVD-19 hits you. (That’s a slight simplification — they looked at population-level frequency of various gut bacteria and compared it to population-level hospitalization rate.) This article from July 2020 says that the amount of fermented food that people eat… Continue reading week ending 2022-09-15 General
Category: Testing
week ending 2022-08-11 General
Mitigation Measures This paper from eastern Massachusetts found that school districts which dropped mask mandates right away had 44 cases of COVID-19 per 1000 students/staff (accounting for 30% of cases) compared to schools which kept masks. (Before they were allowed to drop mask mandates, the case rates were similar.) Here’s a Twitter thread with an… Continue reading week ending 2022-08-11 General
week ending 2022-06-23 General
Sorry this was late. Life happened. Pathology This article summarizes this paper which says that the chances of bad COVID outcomes are cumulative with exposures. Getting COVID-19 twice is worse than once, three times is worse than two, etc. (Here’s a blog post which talks about this paper more.) As you can see, you are… Continue reading week ending 2022-06-23 General
week ending 2022-06-16 General
Long COVID This article about Long COVID in the US is interesting. It says that a lot of the indicators which you would expect to see Long COVID shift (e.g. number of disability claims, health care expenditures), have not in fact shifted. The article gives a number of possiblities: A lot of disabled people died… Continue reading week ending 2022-06-16 General
week ending 2022-06-02 General
Long COVID I was puzzled for a long time: all the statistics I saw said that Long COVID was really common — from 5% to 50%, depending on which study you looked at — but I didn’t know anybody with Long COVID! How could this be? I thought maybe it was because my echo chamber… Continue reading week ending 2022-06-02 General
week ending 2022-05-19 General
Testing This paper found that dogs could be trained to recognize COVID-19 patients by smelling skin swabs with an accuracy of over 90%. This report says that: The percentage of all Canadian blood donors who have been infected with COVID-19 was about 28.7%, with 44.3% among the 17-24-year-olds. 99.57% of Canadian donors had evidence of… Continue reading week ending 2022-05-19 General
Week ending 2022-04-14 General
Because the rest of the world has decided that COVID doesn’t exist any more, I am dropping down to one post per week. I am going to stop posting articles which are repetitive, especially ones of the form “Oh look! {Vaccines, boosters, treatments} still work against {Omicron, older variants}”; “Oh look! Vaccines wane in effectiveness!”;… Continue reading Week ending 2022-04-14 General
2022-03-26/27/28 General
Long COVID I have been seeing anecdotal reports for some time on Twitter that Paxlovid helped Long COVID, but nothing that seemed concrete enough to post here. Well, I can now point to this case study from a few weeks ago which says that Paxlovid completely got rid of Long COVID symptoms in one woman.… Continue reading 2022-03-26/27/28 General
2022-03-23 General
Testing This article says that COVID-19 in wastewater is going up in many places across Canada. Mitigation Measures This article reports on an Italian study which found that better ventilation reduced COVID-19 cases dramatically in schools. Replacing classroom air 2.4 times an hour gave a 40 percent reduction in infections; 4 times an hour gave… Continue reading 2022-03-23 General
2022-03-10 General
Mitigation Measures This paper reports on a big study in the US which compared school districts which had mask mandates with those that did not. For every 100 community-acquired cases, districts with universal mask mandates had 7.3 infections, while districts with optionally masks had 26.4. Don’t let anybody tell you that masks don’t work Testing… Continue reading 2022-03-10 General