You might have noticed people wearing masks on the subway in Mexico City. Is that something we need to do in American cities? As of now, the Centers for Disease Control (CDC) is not recommending masks while riding public transportation. However, if your city has reported cases you may want to use one for extra precautionary measures. The N95 mask has been touted as performing adequately against respiratory infections such as the H1N1 Swine flu virus. Make sure you wash your hands after touching anything on public transportation and ask people to cover their mouths when coughing.
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