A study carried out by the Institute of Public Health (ISP) concluded that the bivalent vaccine, which contains a combination of the original variant of Covid-19 and Ómicron, only registers a 0.02 percent possible adverse effects.
In Chile, immunization with this vaccine from the Pfizer and Moderna laboratories began last October and to date 1.9 million people have been vaccinated, according to figures from the Ministry of Health.
The ISP study titled “Events supposedly attributable to vaccination or immunization (Esavi)”which publishes this Saturday The Mercurytook the period between October and December last, a period in which 970,453 doses were administered.
According to the study, in those months there were reported 152 Esavi, which represents 0.02 percentthat is, there was a rate of 15.66 Esavi news per 100,000 doses.
Of those reported events, the report detailed that the 98 percent of the total were “not serious”, while the Esavi classified as “serious” (such as strokes, meningitis and quadriparesis) correspond to 2 percent, that is, three cases in almost a million vaccinated. None resulted in death.
Regarding the most frequent “non-serious” effects, the study lists the headachethe myalgia and the fever. In frequent adverse reactions describes the headache, arthralgia, myalgia, fatigue, shaking chills y diarrhea.
Finally, the vomiting They are described as a common adverse reaction.