The COVID-19 firing range can be extended to 8 weeks for some -US CDCs
The COVID-19 firing range can be extended to 8 weeks for some -US CDCs

The COVID-19 firing range can be extended to 8 weeks for some -US CDCs

February 23 (Reuters) – Extending the interval between the first two doses of the most widely used COVID-19 vaccines in the country to eight weeks for young men could reduce the rare risk of heart inflammation, US health officials said.

The side effect that has been associated with both Pfizer (PFE.N) and Modernas (MRNA.O) COVID-19 vaccines, are higher in 12- to 39-year-old men, and therefore the eight-week interval could be optimal for some people aged 12 years and older, US Centers for Disease Control and Prevention said on Tuesday.

The recommended interval between the first two shots will remain three weeks for Pfizer’s vaccine and four weeks for Modern’s vaccine in other populations, the CDC said.

Myocarditis is a rare side effect seen with mRNA vaccines – the technology behind both the Pfizer / BioNTech and Moderna shots. It seems to be more common among young men.

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Reporting of Manas Mishra in Bengaluru; Editing Anil D’Silva

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