Summary of adverse events (AEs) by safety analysis set.
diarrhoea, myalgia, fatigue, headache, arthralgia
ADVERSE EVENT
AE, adverse event.For AEs at the indicated severity with two numbers, n represents the number of participants per category/number of AEs as one participant experienced several cases of the same AE during the study.The most commonly reported reactions in the Ad5-nCoV group included increase in body temperature (20.2%), headache (5.9%), fatigue (5.4%), myalgia (4.8%) and arthralgia (1.9%; In the Placebo group, reactions included increase in body temperature (6.5%), headache (4.8%), fatigue (4.8%) and diarrhoea (0.8%). These AEs were mild or moderate; no severe reactions were reported (Tables There were no fatal outcomes. During the first 7 days after vaccination, a total of six serious AEs (SAEs) were reported (