2023-04-06 General

Transmission It is pretty clear to me that COVID-19 spread is airborne — there has been lots of evidence in the literature for that — but I had not seen any evidence that it spread via surface contact (fomites). This paper from the UK makes a strong case for fomites being important. They tracked household… Continue reading 2023-04-06 General

2023-03-30 General

Long COVID This paper from Switzerland says that there are fewer Long COVID symptoms after an Omicron infection than for previous variants. The number of symptoms on a survey given to people who tested postive were: Strain of infection # Symptoms COVID Classic 1.12 Alpha/Delta 0.67 Omicron 0.52 no infection 0.39 Interestingly, for Omicron infections,… Continue reading 2023-03-30 General

2023-03-02 General

Health Care System This article says that federal Health Minister Jean-Yves Duclos intervened in November with Canada’s drug price regulator to drop a policy reform process. 😠😬 Mitigation Measures This article (drawing from information in a number of papers) says that early targeted border closures were ineffective. (Basically, shutting down flights from South Africa and… Continue reading 2023-03-02 General

2023-02-02 General

Vaccines It’s here! This preprint from India has the first data for nasal vaccines in humans that we’ve seen. It compares of the same inactivated adenovirus delivered nasally (BBV154) and intramuscularly (Covaxin), both from Bharat Biotech: Levels of antibodies and good things range from about 1.5x to almost 2x higher when delivered nasally. There were… Continue reading 2023-02-02 General

2023-01-05 General

Long COVID Even people who don’t have classic “Long COVID”, getting COVID-19 is bad for you long-term. This paper from Florida reports that people who had COVID-19 have all-cause-mortality rates in the year after their acute phase at much higher than those who did not get COVID-19. Compared to people who were not infected with… Continue reading 2023-01-05 General

week ending 2022-12-22 General

Pathology This paper from the USA says that the more physically active people were before catching COVID-19, the milder their case was. (If that sounds familiar, that’s because this paper from September from the USA said the same thing.) This paper from the USA found that five kids with MIS-C all had variants in a… Continue reading week ending 2022-12-22 General