GENEVA (Reuters) - The World Health Organization on Tuesday warned against complacency about new coronavirus transmission in the northern hemisphere summer, saying that this virus did not behave like influenza that tended to follow seasonal trends.
Good levels of vitamin D, the so-called sunshine vitamin, help people to fight the coronavirus more quickly and effectively and reduce chances of hospitalization, Israeli researchers have concluded.
However, others are cautioning broad conclusions, saying other factors may be involved.
Researchers have long known that masks can prevent people from spreading airway germs to others — findings that have driven much of the conversation around these crucial accessories during the coronavirus pandemic.
Microsoft co-founder Bill Gates said Wednesday that people could need multiple doses of a potential coronavirus vaccine to immunize themselves from the coronavirus. If necessary, the multiple doses could require more than 7 billion vaccinations to be administered worldwide.
"None of the vaccines at this point appear like they'll work with a single dose," Gates said. "That was the hope at the very beginning."
The billionaire philanthropist, who has donated $300 million towards the global effort to combat COVID-19 through the Bill & Melinda Gates Foundation, told "CBS Evening News" anchor and managing editor Norah O'Donnell that deploying a coronavirus vaccine will require a global effort.
Sweden’s top health authority says people who have had the novel coronavirus are likely to be immune for at least six months after being infected, whether they’ve developed antibodies or not.
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