Public health experts have gotten much better at detecting new diseases and figuring out their cause since the SARS outbreak nearly 10 years ago. Advances in communications and genetics mean information about new microbes is more accessible.
The Federal government wants hospitals to take responsibility for discharged patients to make sure they are not admitted again within 30 days. Medicare will penalize hospitals with many repeat admissions, but some think putting this whole burden on hospitals is not fair.
Some lab studies suggested vitamin D supplements might enhance immunity. But a clinical test in New Zealand found that taking vitamin D didn't reduce the frequency or duration of colds for the people who took the supplements.
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