It happens in many cases: a person goes to get the prick and the next day tests positive for the disease
It happens in many cases: a person goes to be vaccinated against covid-19 and the next day tests positive for the disease. This happens not because the anticovid drug causes a positivization in the PCR tests and antigen tests, but because the person was really infected before being vaccinated even though they did not know it.
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No person who is vaccinated without being infected tests positive in diagnostic tests, since these only detect the viral load of the infection, as reported by the Ministry of Health of Catalonia. It is likely, however, that some serological test (the one that measures antibodies in the blood) is positive after vaccination: this means that the body has reacted positively to the vaccine and has generated antibodies to fight the disease.
As for those people who have been vaccinated while having covid-19 without knowing it, the truth is that the vaccine will not cause a greater reaction. In fact, nothing will happen. There is no specific contraindication not to vaccinate those infected with mild or asymptomatic symptoms, but these people, if they are not vaccinated, it is because they must be confined for seven days, not because the drugs are going to cause them more reaction.
