Mixing Different Covid-19 Vaccines is Theoretically Possible, Center Says | Latest India News

It is scientifically possible for an individual to receive the first dose of one vaccine and the second dose of another vaccine, but it will take time to decide whether it can be recommended, the Center said. A recent study in the UK found that it is safe to mix doses of different types of vaccines, but there will be many side effects, the study found.

“It is plausible. But more studies are needed. It cannot be said for sure that mixing doses can be practiced. There is no solid scientific evidence. Only time will tell if it will be done. in the future or not, will depend on international studies, conclusions of the World Health Organization, etc. Our experts are also constantly studying, ”said VK Paul, member of Niti Aayog (health) on Saturday.

“One shot of one type produces antibodies and the second of another will increase that. Scientifically, there is no problem,” he added.

Watch: Is it possible to get a 2nd dose of a different vaccine? NITI Aayog responds

Covishield and Covaxin are the two vaccines administered in the country. Both vaccines consist of two doses, the second dose of which is known as the booster dose. In its several opinions, the Ministry of Health has repeatedly warned that the second dose of the same vaccine must be taken.

The study that says the two-dose mixture is safe was carried out on about 2,000 volunteers and, in the mix and match approach, they were given an Oxford vaccine and another Pfizer; another combination of Moderna and Novavax has also been tried.

The trial was not intended to determine whether or not a combination of two different doses is effective in preventive Covid. Only the immune response of the volunteers was tested and the side effects were short-lived.

There has not yet been a study of this kind in India mixing Covaxin and Covishield. According to the latest findings, the first dose of these two vaccines has different effectiveness. The first dose of Covishield offers more protection than the first dose of Covaxin and, as a result, the second dose of Covishield can be delayed for 12 to 16 weeks, the Center said recently.

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