At least 16 A/H1N1 flu patients have been discharged from hospital in Mexico after they recovered from the epidemic, Mexican officials said on Tuesday.

"What we have achieves in a week of unprecedented action is to reduce the speed at which virus can spread and avoid deaths," Mexico City Mayor Marcelo Ebrard Casaubon told media.

Twenty nine people have died with symptoms consistent with the flu including breathing difficulties, but only five have been confirmed killed by A/H1N1 flu virus.

Some 913 people are infected with the flu as 68 of them are currently being treated in health centers in Mexico.

The nation closed educational institutions last week, effectively sending home 33 million people. These institutions will reopen in stages, starting with higher education institutions on Wednesday. Nurseries and primary schools will be the last to reopen on Monday.