How many days after the 3rd dose we have immunity

What does a study of the General Hospital of Thessaloniki "G. Gennimatas ”to 129 health professionals.

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More than 4.325.000 citizens have already received the booster vaccine to prevent infection Covid-19, out of 5.800.000 beneficiaries, while another 560.000 of our fellow citizens have scheduled their appointment.

According to the plan of the Ministry of Health and the relevant opinion of the National Vaccination Committee, all citizens aged 18 and over should have taken the booster dose up to seven months after the completion of their basic vaccination with the two-dose vaccine and up to 3 months with the Johnson & Johnson vaccine because from February 1, 2022 their vaccination certificate will not be valid.

But when do you get immunity after the third dose?

According to a study by the General Hospital of Thessaloniki "G. "Gennimatas" in 129 health workers of all ages showed that the third booster dose with mRNA vaccine (Pfizer / BioNTech) - they also had a history of mRNA vaccination - "shot" the antibody titers to levels higher than the second dose. It was also found that nine months after the second dose the antibody levels were reduced by 50%.

When does the booster dose start?

During the basic vaccination against her Covid-19 achieving antibody titers to protect against Covid-19 14 days should elapse between the second dose of the mRNA vaccine and 28 days in the case of the single-dose vaccine.
In the case of the booster dose, as the president of the National Vaccination Committee, Maria Theodoridou, has characteristically explained, the protection is immediate and the antibodies are developed "in two or three days from the day of the vaccination".