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HomescienceDelayed approval of Moderna's adolescent vaccine in the United States

Delayed approval of Moderna’s adolescent vaccine in the United States

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Delayed approval of Moderna's adolescent vaccine in the United States

Moderna’s anti-viral vaccine for adolescents has been delayed – AFP / Arquivos

US biotechnology company Moderna announced Sunday (31) that authorities have delayed licensing its covid-19 vaccine for teenagers, in order to buy more time to better assess potential risks of myocarditis, or carditis.

“Moderna’s agency requires additional time to evaluate recent international analyzes of the risk of developing post-vaccination myocarditis,” the company explained in a statement.

The company anticipates that evaluation to determine whether Moderna’s vaccine should be recommended for 12-17 year olds will continue through January 2022.

Myocarditis and its associated risk, pericarditis (inflammation around the heart) has been previously linked to Pfizer and Moderne’s antiviral vaccines, particularly among adolescents and young adults.

However, the risk is much higher after contracting the COVID-19 virus, according to a study published in August by the US Centers for Disease Control and Prevention (CDC).

Moderna said the CDC found that “myocarditis after immunization with mRNA vaccines was unusual and generally mild.”

Another mRNA vaccine, Pfizer-BioNTech, received US approval Friday for children ages 5 to 11, in lower doses than in adults.

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