week ending 2022-09-22 General

Vaccines This paper says that there is a blood-olfactory barrier (similar to the blood-brain barrier) and that blood-borne antibodies can’t get to the olfactory epithelium (mucous membrane lining). (Note that SARS-CoV-2 can get to the brain via the olfactory bulb. !!) That suggests that we are never going to get to sterilizing immunity (i.e. you… Continue reading week ending 2022-09-22 General

week ending 2022-09-15 General

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

week ending 2022-08-18 General

Live Attenuated Virus Vaccines This paper from Massachusetts found that vaccination with the tuberculosis BCG vaccine gave a 92% efficacy against COVID-19. (Also see this mass media article, which talks about other studies too.) BCG is a live attenuated virus vaccine (LAV); I’ve talked about LAVs before and how they appear to boost the innate… Continue reading week ending 2022-08-18 General

week ending 2022-07-14 General

Vaccines This article reports that Moderna has been approved in Canada for kiddies between six months and five years old. This article reports that an Alberta judge ruled that it was okay to require transplant patients to get a COVID vax, given the scarcity of organs and the much higher likelihood that unvaxxed organ recipients… Continue reading week ending 2022-07-14 General

week ending 2022-06-30 General

Folks, BA.5 is coming and it’s going to be bad. Mentally prepare yourself for a big wave this summer. I don’t know where to put it, but this paper says that compared to peer countries, Canada: Did really well on per capita vaccinated, cases, and deaths. (You could argue that we’re fudging the numbers, but… Continue reading week ending 2022-06-30 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