Chinese Center for Disease Control and Prevention (CDC) on the 28th released China's new crown vaccination adverse reaction monitoring situation, December 15, 2020 to April 30, 2021, 31 provinces, autonomous regions, municipalities directly under the Central Government and the Xinjiang Production and Construction Corps reported 265 million doses of the new crown virus vaccine, the report of adverse reactions to preventive inoculation 31,434 cases, reporting an incidence rate of 11.86/100,000 doses.
Among the adverse reactions, 26,078 cases of general reactions accounted for 82.96% of the total number of adverse reactions, with a reported incidence rate of 9.84/100,000 doses, including 2,722 cases of high fever, 675 cases of redness and swelling, and 304 cases of hardness.
Abnormal reactions 5356 cases, accounting for 17.04% of the total number of adverse reactions, the reported incidence rate of 2.02/100,000 doses; of which the top three reported reactions were allergic rash 3920 cases, angioedema 107 cases, and acute severe allergic reactions 75 cases; among the abnormal reactions, there were 188 serious cases, the reported incidence rate was 0.07/100,000 doses.
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Who reports adverse reactions to the new coronavirus vaccine?
If a vaccinee suspects that uncomfortable symptoms may be related to neocoronavirus vaccination, he or she may report the symptoms to the vaccination unit, or to the county-level CDC agency or adverse drug reaction monitoring agency in the county where the vaccination unit is located. If the public is unable to determine whether the symptoms are related to vaccination, they may consult the vaccination unit.
Vaccination units, medical institutions, CDC agencies, adverse drug reaction monitoring organizations, vaccine manufacturers are responsible for reporting adverse reactions to the new coronavirus vaccine. Responsible reporting unit receiving medical personnel and staff engaged in the monitoring of adverse reactions to vaccines are responsible for reporting, in receiving or receiving reports of suspected abnormal reactions to vaccination, in line with the requirements of the monitoring and disposal program, through the monitoring information system to report.