Daily chart: comparing monkey data from COVID-19 vaccines

Three protocol differences in particular make it difficult to compare non-human primate data from the SinoVac and University of Oxford COVID-19 vaccines.

Sinovac Biotech Ltd. (NASDAQ:SVA) delivered three doses of its PiCoVacc vaccine, whereas Oxford delivered a single dose of ChAdOx1 nCoV-19, making it hard to know whether the strength of the vaccine or the number of doses was the reason SinoVac’s vaccine yielded higher titers of neutralizing antibodies faster...