Source: Fox News
“One of the most widely known risks linked to the COVID-19 vaccine is myocarditis, especially in young males — and now a new Stanford study has shed some light on why this rare effect can occur. Myocarditis, which is inflammation of the heart, occurs in about one in 140,000 people who receive the first dose of the vaccine and one in 32,000 after the second dose, according to a Stanford press release. Among males 30 and younger, that rises to one in 16,750. Symptoms of the condition include chest pain, shortness of breath, fever and palpitations, which can occur just one to three days after vaccination. Another marker is heightened levels of cardiac troponin, which indicates that the heart muscle has been damaged..” (12/17/25)