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Los principales riesgos de diferir la segunda dosis de la vacuna contra el COVID-19, según Anthony Fauci
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Delaying 2nd doses of COVID-19 vaccines has benefits, but effects depend on immunity
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Delaying second doses of COVID-19 vaccines has benefits, but longer-term results rely on robust immunity
Delaying second doses of COVID-19 vaccines should reduce case numbers in the near term. But the longer-term case burden and the potential for evolution of viral escape from immunity will depend on the robustness of immune responses generated by natural infections and one or two vaccine doses, according to a Princeton University and McGill University study published March 9 in the journal
Science.
Several countries including the United Kingdom and Canada have stated that they will delay second doses of COVID-19 vaccines in response to supply shortages, but also in an attempt to rapidly increase the number of people immunized.
E-Mail
Social distancing not only helped slow the spread of COVID-19 it also may have prevented the transmission of an outbreak of a rare polio-like syndrome, according to Princeton University researchers.
Though uncommon, acute flaccid myelitis (AFM) is a critical spinal condition that causes weakness in the limbs, seriously diminishes motor function, and can lead to lifelong disabilities. The syndrome was first reported in the United States in 2012 and has been coming back every two years, hinting it could strike again in 2020.
Using epidemiological surveillance tools, the researchers showed that an AFM outbreak was likely to occur in 2020, but social distancing prevented its spread.
How Many Vaccine Doses Can Nations Ethically Hoard?
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