COVID vaccines cut ER visits for children, CDC reports
COVID-19 vaccines given to children last fall helped keep many out of emergency rooms (ER) and urgent care, new data shows.
Dec 15, 2025
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Cardiovascular Diseases: News and Research on Cardiomyopathies
MeSH tree: C14.280.238
FDA weighs strongest black box warning for COVID vaccines
The U.S. Food and Drug Administration (FDA) is considering adding the strongest safety warning available to COVID-19 vaccines.
Dec 15, 2025
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Study shows why mRNA-based COVID-19 vaccines can cause myocarditis
Stanford Medicine investigators have unearthed the biological process by which mRNA-based vaccines for COVID-19 can cause heart damage in some young men and adolescents—and they've shown a possible route to reducing its likelihood.
Dec 10, 2025
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FDA investigating possible adult deaths from COVID vaccines
The Food and Drug Administration is investigating whether COVID-19 vaccines caused deaths in adults, as part of a safety review that earlier appeared to just be focused on children.
Dec 10, 2025
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Cardiac arrest vs. heart attacks: Who is at risk?
Sudden cardiac arrest may occur in various conditions when someone, while active (playing basketball or walking with friends), collapses and passes out. Their blood pressure drops, and often their heart stops. This may be ...
Dec 10, 2025
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New AI tool improves heart test evaluation
A new AI tool can rapidly evaluate data from echocardiography, an imaging test commonly used to diagnose heart disease, according to new research led by Cedars-Sinai. The study, published in JACC, found the tool could speed ...
Dec 8, 2025
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Genetic variant may explain why some children with myocarditis develop heart failure
A genetic variant is likely putting some children suffering with myocarditis—inflammation of the heart muscle—at higher risk of developing heart failure, which can be fatal, according to a study published in Circulation Heart ...
Dec 5, 2025
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CDC panel may change longtime rule on hepatitis B shots for newborns
A CDC advisory group is meeting today and preparing to vote on whether newborns should still get a hepatitis B vaccine within the first 24 hours of life, a significant change from guidance that has been in place since the ...
Dec 4, 2025
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FDA memo claims COVID vaccine tied to 10 child deaths
A confidential internal memo from the U.S. Food and Drug Administration (FDA) is creating new controversy around vaccine safety after an agency official said the COVID-19 vaccine may have played a role in the deaths of at ...
Dec 2, 2025
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New stem cell medium creates contracting canine heart muscle cells
In research, induced pluripotent stem (iPS) cells are derived from skin, urine, or blood samples and developed into other cells, like heart tissue, that researchers want to study. Because of the similarities between certain ...
Nov 21, 2025
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