Did you take vaccine and still get COVID19?

4/16/2022 6:16:17 PM
 A child with his toy wearing a mask to keep away from COVID19.
Vaccines provide great additional protection for those already infected with COVID-19.

With the emergence of new mutations from the emerging coronavirus and the disappearance of others and diving more into the mysteries of immunity and vaccines, medical studies are continuing tirelessly.

Two new studies have shown that people who have "hybrid immunity," that is, they received the full vaccine against the epidemic and were infected later, enjoy a solid immune system.

One of the two studies analyzed the health data of more than 200,000 people in 2020 and 2021 in Brazil, which recorded the second-highest death toll in the world. The study was published in the Lancet Infectious Diseases journal.

The data also indicated that the infection provided people who had contracted COVID19 and received the "Pfizer" or "AstraZeneca" vaccine with 90% protection from hospitalization or death, compared to 81% for the Chinese "Coronavac" vaccine and 58% for the "Johnson & Johnson" vaccine that is taken as a dose. 

These four vaccines have proven to provide significant additional protection for those previously infected with Covid-19, according to the study's author, Julio Costa, from the Federal University of Mato Grosso do Sul.

It found that hybrid immunity resulting from exposure to natural infection and vaccination is likely to become the global standard and may provide long-term protection against emerging mutants.

The study indicated that Sweden's national records until October 2021 showed that people who have recovered from Covid maintain a high level of protection against a new infection, which may last about 20 months.

And it showed that for people who received two doses of the vaccine with hybrid immunity, the risk of infection again decreased by 66% compared to people who had only natural immunity.

It is noteworthy that the World Health Organization has stressed that Covid-19 vaccines remain incredibly effective in preventing severe Covid cases and death, including Omicron, the latest variant classified as "of concern."

WHO stressed that it is working with stakeholders worldwide to deliver vaccines and ensure that they are used correctly.

More than 480.48 million people have been infected with the emerging coronavirus worldwide. In contrast, the total number of deaths resulting from the virus has reached 6,499,880, Reuters reported.

Since its appearance in December 2019 in China, COVID19 cases have been recorded in more than 210 countries and regions.


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