The Centers for Disease Control and Prevention said younger males should wait longer between their COVID-19 vaccine doses in order to lower the risk of heart inflammation.

The news: The CDC said men 12 to 39 years old should wait eight weeks between their first and second doses of the COVID-19 vaccine regimen, according to CNBC.

  • This comes after public health authorities in Canada discovered the risk of the rare myocarditis was lower among young men who waited eight weeks between shots.
What a study on heart inflammation in COVID-19 vaccinated kids reveals
Israel has found a possible link between Pfizer COVID-19 vaccine and myocarditis

Yes, but: Right now, individuals are asked to wait three weeks between Pfizer COVID-19 vaccine shots and four weeks between Moderna shots, according to the CDC.

Why it matters: Several reports over the last two years have pointed to myocarditis as a rare side effect of the COVID-19 vaccine, as I wrote for the Deseret News. Researchers have been searching for links between the vaccine and myocarditis issues.

  • Per The Hill, Israel’s Health Ministry said “the cases typically occurred after the second dose, where patients would develop mild illness, chest pains, shortness of breath and rapid heart palpitations.”
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More wait time: The CDC has also recently changed the wait time between the first two shots and booster shots, according to NBC Chicago.

  • Per NBC Chicago, the CDC changed the wait time for “moderately-to-severely” immunocompromised patients from five months to three months.
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