Cardiology

Q&A: Thoracic aortic aneurysms

DEAR MAYO CLINIC: My friend was diagnosed with a thoracic aortic aneurysm. What causes this type of aneurysm, and how fast does it grow? Also, how are thoracic aortic aneurysms treated?

Vaccination

Moderna seeks US approval of second COVID booster

Moderna announced Thursday it had asked the United States drug regulator for emergency authorization for a second booster shot of the company's COVID-19 vaccine for all adults.

Diseases, Conditions, Syndromes

Two new Omicron subvariants fueling COVID infections in New York state

Rising coronavirus infections in New York state appear to be driven by two new versions of the Omicron BA.2 variant, and may explain why the state has been the national coronavirus hot spot in recent weeks, state health officials ...

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