Fauci, director of the National Institute of Allergy and Infectious Diseases, said the scientific data on delaying the second dose of the vaccines were too limited for him to recommend the approach in the U.S. With new, potentially more contagious SARS-CoV-2 variants emerging, health officials across the globe are discussing the option of vaccinating more people with the first dose by pushing back the date for giving the second dose of these vaccines.Īccording to a report by The Wall Street Journal, the World Health Organization (WHO) recently suggested that in countries without an adequate supply of vaccines, officials could focus on getting the first dose to as many people as possible, even if that means delaying the second dose by more than the recommended 12 weeks. Both require two doses, administered 3–4 weeks apart. is currently using two COVID-19 vaccines: Moderna and Pfizer. By and large, the world’s wealthiest countries have secured more of the available supply than poorer ones. That is not the case in other countries: COVID-19 vaccines have not been distributed equally across the globe. Officials with the Biden Administration believe the available supply of the COVID-19 vaccine will exceed demand in the United States by mid-May. Visit our coronavirus hub and follow our live updates page for the most recent information on the COVID-19 pandemic. However, the study suggests that delaying the second dose of the Pfizer vaccine may not reduce the number of SARS-CoV-2 infections.Īll data and statistics are based on publicly available data at the time of publication.The researchers’ model indicates that delaying the second dose of both vaccines may ward off hospitalizations and deaths.Using a model, researchers investigated how delaying the second dose of either the Moderna or Pfizer vaccines for COVID-19 might affect infection rates, hospitalizations, and deaths in situations where there is limited vaccine supply.Ben Hasty/MediaNews Group/Reading Eagle via Getty Images Share on Pinterest Using a model, scientists investigate the effects of delaying the second dose of COVID-19 vaccines.
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