The World Health Organization said Wednesday that about 28 million vaccine doses have been administered so far in the fight against the COVID-19 pandemic—largely in the wealthiest countries. WHO emergencies director Michael Ryan said around 46 countries had started their coronavirus vaccination campaigns—of which 38 were high-income countries. “We’ve about 28 million vaccine doses that
The European Union said Monday that it was very close to signing a contract with drugs firms Pfizer and BioNTech for 300 million doses of a future new coronavirus vaccine. “European science works!” declared Ursula von der Leyen, the president of the European Commission, congratulating the US and German companies after they claimed a breakthrough.
When it comes to vitamin D, most adults exhibit either frank deficiency, which results in clear clinical symptoms, or insufficiency, which often goes undetected. But how that insufficiency impacts physical health and the vulnerability of older adults to frailty as they age has been difficult to determine. Now a University at Buffalo study of 24-28–month-old