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Latest Updates on COVID-19: Reinfection Risk, Vaccine Efficacy, and Safety of XBB.1.5 Booster

Published: 27 Feb. 2024, 10:58 1

Update knowledge about COVID-19.

Today (27 Feb. 2024) Assoc. Prof. Dr. Teera Worathanarat, Lecturer, Faculty of Medicine Chulalongkorn University posted on Facebook updating knowledge on COVID-19 that…

1. Chances of reinfection in people who have been infected with COVID-19 before.

Team from Qatar Published results of the study in medRxiv on February 23, 2024 found that in this era where JN.1 is currently spreading Group of people who have been infected with COVID-19 Before this will reduce the risk of being infected with the JN.1 strain of COVID by about 80% if you have been infected before not more than 6 months.

But after 6 months, having been infected before may not reduce the risk of getting it again.

2. Receiving the complete vaccine and receiving the booster needle It will help reduce the risk of heart disease and stroke. If infected with COVID-19

Team from Hong Kong The study results were published in the journal Nature Communications on February 26, 2024.

In a study of nearly 1.2 million people, it was found that people who received the vaccine were fully vaccinated. and the group that received the booster vaccine If COVID-19 infection occurs There will be a lower risk of cardiovascular problems than those who do not receive the vaccine. or groups that are significantly incompletely vaccinated

However, the group that did not receive the vaccine or did not get all that There is an increased risk of cardiovascular disease for up to a year after being infected with COVID-19.

3. The monovalent XBB.1.5 vaccine used around the world (abroad) is safe in elderly people.

Team from Denmark The study results were published in the international medical journal JAMA on February 26, 2024.

The study included over 1 million people, evaluating and comparing different types of adverse events. There are a total of 28 types, whether they have different risks or not. between the groups that received and did not receive the booster vaccine

It was found that the use of the monovalent XBB.1.5 vaccine as a booster in the elderly population was safe. without increasing the risk of adverse events assessment place

You should live your life consciously, without carelessness, and protect yourself regularly.

Always remember that each infection Risk of severe illness, death, and Long COVID as well.

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