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According to the World Health Organization and the European Medicines Agency, Čaplinskas provided answers to frequently asked questions about the AstraZeneca vaccine on Facebook on Sunday.
The professor described side effects that were very common (more than 1 in 10 vaccinated people).
“Based on clinical trial data: injection site sensitivity 63.7%; injection site pain 54.2%; fatigue 53.1 percent; headache 52.6 percent; general illness 44.2%; muscle pain 44 percent; mild fever 33.6 percent; chills 31.9 percent; joint pain 26.4 percent; nausea 21.9 percent; strong fever (> 38C) 7.9 percent “, – wrote S. Čaplinskas.
He also noted that side effects were more common after the first dose of AstraZeneca.
“After the second dose, the reactions were milder and less frequent. Most of the adverse reactions were mild to moderate in severity and resolved within a few days. For those over 65 years the response to the vaccine was weaker and less common in people 18 years of age or older, ”said the expert.
According to S. Čaplinskas, the effectiveness of this vaccine after two doses is 62.6%, and the protection against coronavirus is said to appear 14 days after the second vaccination.
It is not yet known how long the AstraZeneca vaccine will confer immunity, but according to Chaplinks, immunity may not develop if there have been no side effects after vaccination.
“Not necessarily, but it can be, because each organism responds to the vaccine individually,” S. Čaplinskas noted.
In his post, the professor also explained the age at which people can be vaccinated with AstraZeneca.
“People over 18 years of age are vaccinated. Old people. Initially, vaccination of patients over 65 years of age was not recommended, but later, with more data, the last age limit was lifted,” wrote the specialist.
According to S. Čaplinskas, the safety and efficacy of the vaccine in children, adolescents and pregnant women have not yet been studied.
“Animal studies do not indicate direct or indirect harmful effects with respect to fetal development. Research will continue,” wrote S. Čaplinskas.
The professor noted that vaccination with AstraZeneca, a chimpanzee adenovirus vaccine, could lead to re-infection with COVID-19. S. Čaplinskas also explained why some countries have temporarily suspended vaccination with a series of AstraZeneca vaccines.
“Precautions have been taken due to the risk of blood clots (thromboembolism) after this vaccine. However, until now, a causal relationship between the vaccine and clot formation (risk of thromboembolism) has not been established. An investigation is under way, ”said S. Čaplinskas.
Some European countries, including Ireland, Denmark, Iceland, Italy and Norway, have temporarily suspended vaccination with AstraZeneca following reports of clots in vaccinated people.
The Netherlands has also reported the suspension of AstraZeneca.
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