Two studies confirm the benefits of combining vaccines


According to agencies, two studies by the University of Oxford have concluded the benefits of combining vaccines. It has been seen that the combination of these against Covid-19, specifically AstraZeneca and Pfizer, in addition to spacing the two doses of the Oxford formula up to one year, are favorable to immunity against the coronavirus.

These studies have concluded new findings that confirm some of those that were published recently. For example, that the combination of doses of AstraZeneca vaccines with Pfizer, injected four weeks apart, improves the body’s immune response.

That is, you must first administer the Oxford one and then Pfizer because if you do the opposite, then the immunity is lowered. But the reverse has been the benefits of combining vaccines.

It was something proven in a somewhat incipient study in our country, but it has been shown, in this other, that this combination is positive, improves immunity and, according to the study experts, could give more flexibility.

Letting go of weeks strengthens immunity

In addition, the other study from the University of Oxford gives more results. Because spacing up to a year the two doses of the Oxford formula are favorable to immunity against the coronavirus.

A) Yes, if we let 45 weeks pass between the two doses from AstraZeneca, the immune response against Covid-19 is improved.

Recall that currently, the interval between doses of this vaccine is 12 weeks, but now it has been seen that it can be more spaced. What happens is that, with the Delta variant, it is important to have the full dose to be able to protect yourself more against this variant.

A third dose?

Both Pfizer and AstraZeneca discussed a third delivery dose. For now, this second Oxford study also refers to the fact that the third dose of this vaccine, when administered six months after the second it also responds to an increase in antibodies.

Although for now it is not known if this third dose will be given, but it has been proven that, if this is the case, due to the new variants, it is well tolerated and the immune response is also increased. Those responsible for the study give more data because they specify that the second and third doses cause fewer side effects than the first.

For now, we are waiting for more people to receive the second dose to have a complete vaccination schedule and to deal with the Delta variant and its Delta Plus mutation. And then it will be seen if a third dose is administered to the population that has been with both for the longest.

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