5. Are masks still needed after receiving the Covid-19 vaccine?
On the one hand, the success rate of vaccination is not 100%, and a small number of vaccinated people may still get infected during the epidemic; on the other hand, the Covid-19 virus spreads easily if the immune barrier is not formed. Therefore, wearing masks is still needed after vaccination, especially in public places and crowded places; other protective measures such as hand hygiene, ventilation and keeping a safe social distance also need to be maintained.
6. After vaccination, how long can the antibody be generated against the Covid-19?
According to the previous clinical trial of inactivated vaccine of Covid-19 virus, about two weeks after receiving the second dose of inactivated vaccine, a good immune effect could be formed inside the recipients’ bodies.
7. What are the common adverse reactions of Covid-19 vaccination?
The common adverse reactions include swelling, induration and pain at the vaccination site, as well as fever, fatigue, nausea, headache, muscle soreness and other clinical manifestations.