Denmark’s state Serum Institute on August 2, 2021, said that combining the AstraZeneca Covid-19 vaccine with the second dose of mRNA vaccines either Moderna or Pfizer-BionNTech’s vaccines offers a good protection.
Over 1,44,000 people of Denmark, including mostly front-line workers and the elderly, were administered with the first dose of AstraZeneca followed by a second dose of either Moderna or Pfizer-BioNTech vaccines.
The move to administer different covid-19 vaccines became necessary in Denmark because the country discontinued vaccination with AstraZeneca over concerns of side effects. Many countries across the world are looking into administrating different covid -19 vaccines for second doses.
What Did The Study Tell?
The study showed that 14 days after completion of vaccination with different covid-19 vaccines, the risk of infection was reduced by 88 percent compared to unvaccinated individuals.
The study noted a high efficacy compared to the 90 percent efficacy rate of two doses of Pfizer-BioNTech’s Vaccine
The study was conducted over a span of 5 months from February to June 2021, it was published last week.
The study has however did not provide data on whether the combination of different covid-19 vaccines as mentioned showed protection against the delta variant, which is rampant in Denmark.
The study didnot report any deaths or hospitalization due to covid-19 after administering the combination of vaccines as mentioned.
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