‘While the world awaits the results of large clinical trials of Covid-19 vaccines, experts say the data so far suggest one important possibility: The vaccines may carry a bit of a kick. In vaccine parlance, they appear to be “reactogenic,” meaning they have induced short-term discomfort in a percentage of the people who have received them in clinical trials. This kind of discomfort includes headache, sore arms, fatigue, chills, and fever.
‘At least two manufacturers, Cambridge, Mass.-based Moderna and CanSino, a Chinese vaccine maker, stopped testing the highest doses of their Covid-19 vaccines because of the number of severe adverse events recorded among participants in their clinical trials.’
Read here (STAT, July 27, 2020)
