Health Secretary Jose Angel Cordova says only 20 of the deaths have been confirmed to be from swine flu and the government was awaiting tests results on the rest.
He says 1,995 people have been hospitalized with serious cases of pneumonia since the first case of swine flu was reported on April 13. The government does not yet know how many were swine flu.
Of those hospitalized, 1,070 have been released.
Cordova says school at all levels nationwide are suspended until May 6. Schools had already been suspended in Mexico City and five of Mexico's 32 states.
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