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Canada approves combined use of COVID-19 vaccines

Canada approves combined use of COVID-19 vaccines

The National Advisory Committee on Immunization in Canada has approved the mixed-use of coronavirus vaccines. According to CBC News, we are talking about drugs from AstraZeneca, Moderna, and Pfizer.

In particular, those who were first vaccinated with AstraZeneca can get a second with the same drug, as well as with Moderna and Pfizer vaccines. If the first shot was made with a drug from Moderna or Pfizer, then the second should only be made with drugs from these two companies, since both vaccines were created based on mRNA technology.

It is noted that these recommendations were based on new studies conducted in and the United Kingdom. According to the results, mixing AstraZeneca and Pfizer vaccines was safe and effective for the prevention of COVID-19. According to the head of the Ministry of Health of Canada, Teresa Tam, such a decision is not something new. She noted that in the past, a similar approach has been applied to various types of vaccines, including influenza and hepatitis A.

Earlier, scientists compared the effectiveness of coronavirus vaccines for women and men. It turned out that the drugs from COVID-19 are more effective for men than for women. According to Sabra Klein, co-chair of the Johns Hopkins Center for Women’s Health, Gender and Gender Studies, there are several explanations for these results. In particular, people who fell ill after being vaccinated against COVID-19 were between 47 and 70 years old. At the same time, most women go through menopause from 40 to 60 years.



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