By mid-March this year, at least 60 million Americans had contracted the pandemic H1N1 flu, 270,000 had been hospitalized and around 12,270 had died, according to the CDC's latest estimates. The new data indicate a small increase in cases, hospitalizations and deaths since estimates a month ago, suggesting that the H1N1 flu activity has dipped in most parts of the country. About 19 million infections were in the 17 and younger age group, the CDC said. The agency also said that there is no sign of a third wave of the pandemic flu.

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