In the last week of June, the virus had spread throughout most of the country (Figure A13-7).
By July 11, 2009, Argentina had 100 fatalities (mostly in patients 20-40 years old) and 3,000 confirmed cases. It was estimated that 2009-H1N1 influenza A cases would be 100,000 by that date. Most cases occured in children and young adults, with fewer cases in adults over 65 years of age, probably because of prior immunity to H1N1 strains that circulated in the 1950s.
The estimated cases up to week 37 were 1,100,000 and an accumulated rate of 275.2 per 10,000; however, at week 37 the rate was 6.1 per 10,000, and
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A13 Influenza (H1N1) Pandemic 2009 ."
The Domestic and International Impacts of the 2009-H1N1 Influenza A Pandemic: Global Challenges, Global Solutions: Workshop Summary . Washington, DC: The National Academies Press,
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