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All volunteers injected one or two doses of Pfizer or AstraZeneca vaccine
.
Two weeks after the injection, when complete immunity begins, the chance of contracting the COVID virus is reduced
.
But researchers also warn that after vaccination, the personal risk of infection depends on the prevalence of C OVID in the area at any given time
.
Research conclusions include:
Whether vaccination with C OVID people will report the emergence of anosmia, cough, fever, headache and fatigue and other symptoms
.
The vaccinated group reported fewer symptoms in a shorter period of time if they had a coronavirus infection
.
This supports the view that coronavirus vaccination can inhibit coronavirus infection
.
In short, vaccination reduces the severity of the disease, reduces the course of the disease and the risk of reinfection.
Compared with people who have not been vaccinated, people who have been infected with the virus after vaccination are more likely to report sneezing as a symptom.
It is for this reason that scientists urge anyone who has been vaccinated to sneeze and need to pay attention.
Scientists emphasize that no vaccine is 100% effective, even for the healthiest among us