Melanie Swift, M.D., who heads COVID-19 Vaccine Allocation and Distribution at Mayo Clinic, discusses the Janssen/Johnson & Johnson adenovirus vaccine.
 
 
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Vitamin C may provide a protective benefit for people at high risk of colds due to frequent exposure. 
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Cod has a mild flavor and flaky white flesh.
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Ounce for ounce, mandarin oranges have about half the vitamin C that oranges do, but they have three times the vitamin A (carotene).
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