2009 swine flu pandemic in Mexico - Wikipedia
The first infected was registered in San Diego, California, on April 2, 2009, but it was misclassified as an H2N3 case. It was not until April 13, with the first death in Oaxaca, that further research was carried out, officially detecting the new type of virus on April 16. The pandemic outbreak was first detected in the Federal District, where surveillance began picking up a surge in cases of ...
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