Cardiology

Blood pressure rises by stealth in poorer nations

More than half a billion people worldwide live with undetected, untreated hypertension, even as the disease burden shifts from rich nations to poor countries with limited resources to detect and manage the condition.

Vaccination

US health officials call for booster shots against COVID-19

U.S. health officials Wednesday announced plans to dispense COVID-19 booster shots to all Americans to shore up their protection amid the surging delta variant and signs that the vaccines' effectiveness is slipping.

Diseases, Conditions, Syndromes

WHO: Delta variant is 'most transmissible' identified so far

The head of the World Health Organization said the COVID-19 delta variant, first seen in India, is "the most transmissible of the variants identified so far," and warned it is now spreading in at least 85 countries.

Vaccination

WHO: Vaccinating kids 'not a high priority' amid shortage

The World Health Organization's top vaccines expert said Thursday that immunizing children against COVID-19 is not a high priority from a WHO perspective, given the extremely limited global supply of doses.

Vaccination

European regulator recommends Pfizer shot for children 12-15

The European Medicines Agency on Friday recommended that the use of the coronavirus vaccine made by Pfizer and BioNTech be expanded to children ages 12 to 15, a decision that offers younger and less at-risk populations across ...

Diseases, Conditions, Syndromes

Pfizer CEO: Vaccine third dose 'likely' needed within 12 months

The head of Pfizer said in an interview aired Thursday that people will "likely" need a third dose of his company's COVID-19 shot within six to 12 months of vaccination, while elsewhere defending the relatively higher cost ...

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