People previously infected with SARS-CoV-2 showed higher antibody and T-cell responses after one dose of Pfizer’s BNT162b2 messenger (mRNA) vaccine compared with people who had a first dose without previously contracting the virus, according to research led by the universities of Sheffield and Oxford. The early findings from the Protective […]
NEW YORK (AP) — The U.S government’s first look at the real-world use of COVID-19 vaccines found their effectiveness was nearly as robust as it was in controlled studies. The two vaccines available since December — Pfizer and Moderna — were 90% effective after two doses, the Centers for Disease […]
The U.S. could experience a “perfect storm” for a jump in Covid-19 cases this year if Americans remain unvaccinated while increasing social activity, according to the Penn Wharton Budget Model. An estimated one-quarter of Americans will opt out of coronavirus vaccinations this year, the non-partisan research organization said in a […]
Here are some of the recent developments on COVID-19 vaccines: New AstraZeneca results: The overall efficacy of AstraZeneca’s COVID-19 vaccine is slightly lower in the final efficacy trial results the company posted late Wednesday. The company had touted interim results on Monday, which the National Institute of Allergy and Infectious […]
A coronavirus vaccine that could be taken as a pill may enter clinical trials in the second quarter of 2021. The oral vaccine is being developed by Oravax Medical, a new joint venture of the Israeli-American company Oramed and the Indian company Premas Biotech, Business Insider reported. So far, all […]
Créditos: Comité científico Covid
Officials at the US National Institute of Allergy and Infectious Diseases, the agency run by Anthony Fauci, MD, issued a statement overnight calling into question the completeness of COVID-19 vaccine data that AstraZeneca shared in its interim phase 3 efficacy and safety findings. Reactions from experts were swift. Some stand […]
Four months after the first coronavirus vaccination campaigns began, many people—especially those living in low- and middle-income countries—are still wondering when their turn to get a shot will come and which vaccine they will receive. Based on government websites and statements, publications or contracts by vaccine manufacturers, and major local […]
AstraZeneca’s two-dose adenovirus-vectored vaccine (AZD1222) had 79% efficacy in preventing symptomatic COVID-19 among adults in the U.S., Peru, and Chile, according to interim phase 3 trial results. The company expects to request emergency use authorization in the U.S. in the coming weeks. Researchers randomized over 32,000 adults at increased risk […]
Some 18% of U.S. healthcare workers say they do not plan on getting vaccinated against COVID-19, and another 12% have not yet decided whether they will get vaccinated, according to a survey from the Kaiser Family Foundation and the Washington Post. Respondents’ main concerns include potential side effects and the […]
