US health authority says Moderna vaccine effective in children under 5
US health authorities confirmed on Friday (Jun 10) that data provided by drug-maker Moderna on the efficacy of its Covid-19 vaccine among very young children were accurate, ahead of a decision next week on whether to authorise 2 inoculations against the virus in kids aged 6 months to 5 years.
The Food and Drug Administration (FDA), which independently analysed data from clinical trials conducted by Moderna, said vaccine efficacy against symptomatic cases of Covid-19 was 51 per cent in babies aged 6 months to less than 2 years old, and 37 per cent in children aged 2 to 5 years.
The figures are lower than those recorded during clinical trials on adults, but that is only because the trials for the very young children were conducted during a wave linked to the Omicron variant, according to the FDA.
“Although the VE (vaccine efficacy) ... in children 6 months to 5 years is lower than that observed in the pivotal adult or older pediatric studies, it is highly consistent with real-world vaccine effectiveness observed against Omicron in adults,” the FDA said in a statement.
Even though Moderna’s vaccine has proven less effective against the Omicron variant, it remains very good at protecting against severe cases of the disease, the FDA pointed out.
That is why the FDA concluded that the Moderna data “support the administration” of the vaccine in two doses of 100 micrograms each in adolescents aged 12 to 17, 50 micrograms for 6 to 11 year olds, and 25 micrograms in children aged 6 months to five years.
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In the US, Moderna’s vaccine is currently only authorised for people aged 18 and older.
The latest document, stretching to more than 100 pages and published by the US agency, will serve as a basis for the authorisation discussions next week.
An advisory committee of experts must meet over two days to study the request for authorization of the vaccine, as well as that of Pfizer, and make its recommendation.
The FDA is expected to publish its independent analysis of data from Pfizer early next week.
Pfizer has filed an application for authorisation for children aged 6 months to 4 years, although its vaccine will be administered in 3 doses. AFP
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