The Center for Disease Control and Prevention (CDC) has released an early estimate of their study that determined the effectivity rate of two of the leading and most used vaccines in the country, Pfizer and Moderna on Monday, March 29. Both COVID-19 immunity shots amassed an effectivity of 80 percent on one dose, and CDC guarantees 90 percent upon the second dose.
STAMFORD, CONNECTICUT - MARCH 14: Nurse manager Lucy Golding draws up doses of the Moderna COVID-19 vaccine before health workers administered the shots to immigrants and undocumented residents ages 55 and over on March 14, 2021 in Stamford, Connecticut. The non-profit Building One Community organized the event to administer the first dose of the Moderna vaccine to more than 350 people from the immigrant community. The vaccines were supplied by the federal Health Resources and Services Administration (HRSA), and injected by Community Health Center workers. Vaccine recipients are due to return in April for their second dose. (Photo by John Moore/Getty Images)
The world has been given immunity against COVID-19 for almost four months now, and it rolled out immediately to the priority list including the medical front liners, the elderly, and the essential personnel. Upon completing those, the country has already begun its operations to adults in different states, and the country would have 90 percent of adults eligible for one come April 19.
CDC has conducted a study that gathered vaccinated adults composed mainly of front-line workers and medical personnel who have already received the first dosage against COVID-19. The study gathered as many as 4,000 people which were observed at a 13-week period with weekly COVID-19 testing to study their case.
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CDC: Pfizer, Moderna Vaccine at 80 Percent Effectivity
According to CDC's study, the results that the health agency has gathered is an "interim estimate" of all the cases of adults that have received the first dosage of Pfizer and Moderna's COVID-19 vaccine. CDC claimed that the first dose itself brought 80 percent effectivity two weeks after the initial shot of the immunization.
SANTIAGO, CHILE - FEBRUARY 12: A health worker administers a COVID-19 vaccine to a senior citizen at Estadio Bicentenario de la Florida vaccination centre, on February 12, 2021 in Santiago, Chile. The Andean nation has already vaccinated nearly 1.5 million people according to its Health Ministry. The country leads regionally in per capita vaccination with 4.1 per 100 citizens, over rates in Mexico and Brazil. To date, Chile has ordered 90 million vaccine doses from Pfizer, AstraZeneca, Sinovac and Johnson & Johnson to apply to its 19.2 million population. (Photo by Claudio Santana/Getty Images)
In addition to that, CDC also included the adults who have already completed their COVID-19 vaccines with the second dosage given to them, having 90 percent effectivity ratings that further help their case. This means that at the first dose, adults are 80 percent less likely to get infected, and the second dose guarantees 90 percent less.
The study of CDC started in December 2020, and have ended earlier this month of March. The vaccination continues to roll-out among the public, with the regular queue of immunization still having a hard time in reaching those as vaccine stocks face distribution issues in other states, which the country aims to answer.
US Plans to Have All Adults Eligible for Vaccine by May 1
In less than two months, the United States President Joe Biden and the country's COVID-19 team are aiming to provide the adequate distribution and stocks of the vaccine available to all adults. According to CNet, the government aims to have 90 percent available by April 19, and all 100 percent ready by May.
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Written by Isaiah Alonzo
