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Currently, health managers and researchers say the best way to protect you from COVID.be fully vaccinated-What in the United States is either two doses of Pfizer, Moderna or a dose of Johnson & Johnson. But the experts are always divided on how to produce theLargest levels of immunity against the virus. As Pfizer butts are heading with disease control and prevention centers (CDC) and US food and medicine administration (FDA) on the need forshots, health leaders in the world explore different options for the effectiveness of maximum vaccination. Now, the World Health Organization (WHO) warns a vaccination practice that gains steam.

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The practice:Mix and match Covid vaccines different manufacturers. By Reuters, WHO has advised to receive two different vaccines because there is currently little data on how safety or efficiency is to take different doses.

"It's a bit of a dangerous trend here. We are in a flawless area without data as far as mixing and matching"Soumya SwaminathanThe Chief Scientist of WHO, said at a press briefing for the organization on July 12.

This warning comes then that some countries doplans to mix vaccines. According to Reuters, Thailand has just announced that it would use strokes of Astrazeneca as the second dose for people who have received the Sinovac vaccine in order to increase protection. This will be the first public-and-game mix of a Chinese vaccine and a developed western vaccine, according to the taking of news.

"This is to improve the protection against the variant of the Delta and to strengthen a high level of immunity against the disease," the Minister of Health of ThailandAnutin Chanvirakul Told reporters, adding that Astrazeneca's shot will come three or four weeks after Sinovac.

But the one who remains unconvinished. "It will be a chaotic situation in countries if citizens are starting to decide when and who will take a second, a third and a fourth dose," said Swaminathan.

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Preliminary research revealed that some vaccine mixtures, however, provide strong protection. The first results of a British vaccination study published on June 25 inThe lancet Newspaper found thatVolunteers who received A dose of the anti-pfizer vaccine and a dose of the AstaZeneca vaccine produced high levels of antibodies and immune cells. But the CDC also recommends fromMAKING AND ASSORTED VACCINES In terms of two-dose vaccines available in the United States, Pfizer and Moderna.

"The security and efficiency of a series of mixed products have not been evaluated. The two doses of the series must be filled with the same product," said CDC. People are asked to bring their vaccine name to their appointment to make sure they receive a second covidation with the same vaccine they received during their first dose.

"In situations where the same mRNA vaccine product is temporarily unavailable, it is preferable to delay the second dose (up to six weeks) to receive the same product as receiving a mixed series using a different product", The states of the CDC.

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