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Si ya tuviste Covid-19, una dosis de la vacuna Pfizer es suficiente

Si ya tuviste Covid-19, una dosis de la vacuna Pfizer es suficiente
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Single-dose vaccine may be effective for Covid-19 survivors: Study

A second of Covid-19 vaccination dose may not be needed for individuals who have successfully recovered from a prior coronavirus infection, suggests a study. The research, involving more than 260 individuals, showed that a single dose of the Pfizer-BioNTech vaccine for individuals who previously had Covid-19, can generate an immunologic response similar to that of individuals receiving the two-dose recommended sequence. The Pfizer and BioNTech vaccine is normally administered in two doses, 21 days apart, to provide nearly full protection against the novel coronavirus, known as SARS-CoV-2. Post-vaccine symptoms were more prominent for those with prior infection after the first dose, but it was similar between the two groups after the second dose, the findings, published in the journal Nature Medicine, revealed.

Single-dose vaccine may be effective for Covid survivors

More than 11,000 cases of a troubling variant reported in the US; these states have the highest numbers

More than 11,000 cases of a troubling variant reported in the US; these states have the highest numbers By: CNN By Christina Maxouris and Holly Yan, CNN     (CNN) Thousands of cases of the B.1.1.7 strain have been reported across the United States, and experts fear the variant could drive another Covid-19 surge as states race to get ahead and vaccinate. In the Upper Midwest, we re starting to see lots of younger adults getting sick and going to the hospital from Covid because of the B.1.1.7 variant, said Dr. Peter Hotez, dean of the National School of Tropical Medicine at Baylor College of Medicine. So remember that the B.1.1.7 variant is different from past types of Covid infections that we ve seen more serious and possibly more severe disease among younger people.

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