From Jan 1 till Feb 9, there have been 3,882 confirmed flu cases, the health secretariat said in a statement.
Three seasonal viruses are currently active in Mexico — AH1N1, AH3N2 and influenza B. The AH1N1 — or swine flu — has been the predominant one, with 91 percent of the infections.
The AH1N1 virus broke out in Mexico in March-April 2009. By June 2010, around 1,300 deaths had occurred and more than 70,000 people had contracted the disease.