The Ministry of Health has an answer today for a question that is on the minds of many people who are unsure about vaccination, and in the end it is normal to be like that since the information has not been explained very clearly until now.
The Ministry of Health explains below that infection after vaccination is possible, and not only in the case of the Coronavirus, but in the case of all viruses for which there are vaccines, but this only happens under certain conditions, which are listed below.
"Why do cases of infection occur after the vaccine?
After vaccination, the body needs time to produce an effective immune response. This period is generally between 7 and 14 days, including for currently approved COVID-19 vaccines.
This duration is explained by the fact that, to determine an effective immune response, the body needs several days to produce a sufficient amount of antibodies.
Even under these conditions, not all people vaccinated with one dose will develop enough antibodies to provide protection, but a booster will be needed, a fact confirmed by clinical trials carried out by vaccine manufacturers.
In addition, infection with the SARS-CoV-2 virus can occur between 2 and 14 days after a person has been infected, which is the incubation period. In other words, if a person has already been infected before receiving the vaccine and is during the incubation period, then they will get the disease even if they get vaccinated.
The overlap of the long incubation period with the length of time until an adequate and protective immune response occurs explains why some people will become infected and become ill in the first few days after vaccination, after the first dose, or after a booster.
It should be noted that none of the vaccines approved to date provide 100% protection in terms of infection, so there will be cases of COVID-19 in vaccinated people as well, but much less than in the unvaccinated population.
In the context of the cases of COVID-19 diagnosed among vaccinated people in Romania, 3969 people were diagnosed after the administration of the first dose and 446 after the booster. Half of the cases in people who received a single dose occurred within 7 days of administration, when the body could not mount an effective immune response. In people vaccinated with both doses, half of the COVID-19 diagnoses were registered in the first 4 days after the booster.
Under these conditions, until enough people are vaccinated, and the spread of the virus in the community is not significantly reduced, protective measures (mask, distance, hand washing) will still be necessary, including for vaccinated people, for the further reduction of the risk of infection.
Data verified by the National Committee for the Coordination of Activities on Vaccination against COVID-19 (CNCAV) and the Ministry of Health."
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