Hopeful signs for Northern Hemisphere: Flu vaccine shows strong protection against hospitalization in South America, CDC report shows

In hopeful sign for the US, flu vaccine shows strong protection against hospitalization in South America, CDC report shows | CNN Early data from South America shows that the flu vaccine has cut the risk of hospitalization in half this year, a hopeful sign that the vaccine will provide a similar level of protection in the United States as the country heads into its own respiratory virus season. Deidre McPhillips CNN

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This year, mid-season flu vaccine data from five countries – Argentina, Brazil, Chile, Paraguay and Uruguay – shows that vaccination has reduced the risk of hospitalization by 52%, according to a report published Friday by the US Centers for Disease Control and Prevention.

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