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Trial By Error: More on the Canadian Long COVID Trial with Plans to Lie to Participants Receiving an Exercise Intervention

By David Tuller, DrPH I recently posted a blog about the protocol for a Canadian Long COVID exercise trial in which the investigators proposed lying to the participants about the nature of both the study and the intervention being assessed.  While acknowledging that a significant number of people with Long COVID report experiencing post-exertional malaise …

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Bacteriophages, viral vaccines, and poliovirus

The readers of virology blog are a savvy group – they determined that the bacteriophages present in viral vaccines originate from bovine serum present in cell culture medium. Animal virus vaccines prepared in cell cultures are contaminated with the bacteriophages, which are not removed when the harvests are sterilized by filtration. But what is the …

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