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COVID vaccines

3 doses of Sinovac is better than mixing with Pfizer: Turkish minister

Study shows Chinese vaccine offers highest protection overall when taken consecutively

A study shows the Chinese inactive vaccine CoronaVac by Sinovac Biotech works best when taken consecutively, rather than switching to a different booster shot.   © Reuters

ISTANBUL -- A Turkish study of more than 30 million vaccinated citizens indicated that the highest level of protection was seen in people who received three doses of inactive vaccines, rather than in those who received two doses of inactive vaccines and one booster shot of an mRNA vaccine, the country's Health Minister Fahrettin Koca said on Wednesday.

While the minister avoided specifying brand names, he was referring to the vaccines now available in Turkey: the Chinese inactive vaccine CoronaVac by Sinovac Biotech and the mRNA offering developed by Pfizer and BioNTech.

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