Amid a new wave of infections from coronavirus in the world, the New York Department of HealthUnited States, published a report in which it identifies a decline in the effectiveness of Pfizer vaccine reaching up to 40% in children between 5 and 11 years old.
This publication focuses on pediatric transmissions recorded between December and January, at the time of the previous rise in cases.
“Given the rapid loss of protection against infections, these results highlight the continued importance of layered protections, including the use of masks, for children to prevent infection and transmission,” they said after the study that was released by the official site of the government institution, says the Cronista site.
Defense against eventual hospitalization also showed a significant drop during the same period: from 100% to 48%.
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“This dramatic drop in effectiveness of the Pfizer vaccine among children ages 5 to 11 was likely due to the lower dose they received,” they explained.
They added: “Children in this age group receive two 10-microgram injections, while children ages 12 to 17 receive 30-microgram injections.”
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While in children aged 11 and 12, the effectiveness of the aforementioned vaccine was reduced to 11% in the “low dose” group, although it offered 67% protection to the other group, according to this same study.