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It's been over a year sinceFirst coated vaccines have been made available to all adults in the United States since then, the US Food and Drug Administration (FDA) and the Centers for Disease Control and Prevention (CDC) have worked to put the shots in the arms of all Americans . According to the latest CDC data, 77.9% of the total American populationreceived at least A dose of a cocovated vaccine, but only 66.7% have been fully vaccinated so far. And the rate of vaccine doses administered is decreasing, with a decrease of 9.5% compared to the previous week.

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There are currently only three vaccines authorized for use in the United States: Moderna, Pfizer and Johnson & Johnson. But as time has passed throughout last year, officials began to recommend both Moderna and Pfizer on the vaccine with a blow Johnson & Johnson because the two mRNA vaccines have shown that They can produce stronger and more durable protection, especially in the face of a new one, more transmitted variants. Now, some Americans are already on their third or fourth plan of Moderna or Pfizer.

Meanwhile, the FDA is preparing to discuss the possibility of introducing a fourth vaccine in the mixture. AccordingThe Washington Post, agency advisers areplanned to discuss Whether or not it is a cocodid vaccine produced by Novavax, a biotechnology company based in Maryland, should be authorized on June 7.More traditional technology which has been used for many vaccines in the past, by NPR.

"We all know that there are some people in the population who are still concerned about a relatively new vaccine in the arena of vaccinology", advisor Covid de la Maison Blanche,Anthony Fauci, MD, told NPR. "And they may want a more classic vaccine with which we have years and years of experience."AE0FCC31AE342FD3A1346EBB1F342FCB

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A novavax trial of nearly 30,000 volunteers aged 18 and over, carried out between December 2020 and September 2021, also found that the vaccine was 90% effective to prevent mild, moderate and severe. Although this may seem a clear victory for the country's push to inoculate the inoculated unvaccinated, the FDA also warns against a concern for this shot.

The agency recently revealed that the recipients of the Covid Norovax vaccine could have a very smallRisk of heart inflammation, Reported CNN. According to the media, there were six cases of myocarditis and pericarditis in trial patients, detected within 20 days of their protein -based shooting. Myocarditis isInflammation of the heart muscle, while pericarditis is an inflammation of the mucosa outside the heart, according to the CDC.

"These events raise the concern of a causal association with this vaccine, similar to the association documented with the COVVI-19 vaccine mRNA," wrote FDA staff in information documents published on June 3. According to the agency, five of post-vaccination cardiac inflammation, cases were among men aged 16 to 67. And out of the six cases, five have been hospitalized but have since recovered.

Novavax responded to the concerns of the FDA concerning cardiac inflammation in a statement on June 3, denying that there is sufficient evidence to "establish a causal relationship" between its vaccine and this health problem. According to the company, the rate of myocarditis in vaccinated participants was similar to those of the placebo group.

"Throughout the pandemic, as vaccines accessible to the public have been administered, there have been many surveys on the results related to myocarditis. We have learned that we can expect to seenatural substantive events Myocarditis in a sufficiently large database, and that young men are more at risk. Myocarditis is most often caused by non -specific viral infections, "said Novavax." We believe that there is insufficient evidence to establish a causal relationship. We will continue to monitor all adverse events, including myocarditis and pericarditis. ""

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