People with the 'hybrid immunity' of having been both fully vaccinated and previously infected with COVID-19 have the strongest protection against the virus, two new studies said on Friday.
that has seen nearly 500 million people infected and billions vaccinated, the studies highlighted the importance of getting jabbed for those who have natural immunity after recovering from the disease.medical journal analyzed the health data of more than 200,000 people in 2020 and 2021 in hard-hit Brazil, which has the world's second-largest COVID death toll.
"All four of these vaccines have proven to provide significant extra protection for those with a previous COVID-19 infection," said study author Julio Croda of the Federal University of Mato Grosso do Sul. And people with two-vaccine-dose hybrid immunity had a further 66 percent lower risk of re-infection than those with just natural immunity.
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