Why does flu trigger asthma?

Sunday, May 29, 2011 - 20:30 in Health & Medicine

When children with asthma get the flu, they often land in the hospital gasping for air. Researchers have found a previously unknown biological pathway explaining why influenza induces asthma attacks. Studies in a mouse model reveal that influenza activates a newly recognized group of immune cells called natural helper cells -- presenting a completely new set of drug targets for asthma.

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