The World Health Organization reported that influenza type A has spread so rapidly in Mexico and the United States.
In its latest report card on the disease, the WHO warns that the H1N1 virus transmission is increasing in the northern temperate regions, so that in many countries the flu season has been brought forward in an unusual way.
Such is the case of United States and Mexico, Finally with a significant increase of respiratory illnesses in the past three weeks.
According to WHO report, European countries with the highest number of cases of influenza type A are the United Kingdom, Ireland, Belgium, Netherlands and Cyprus.
In tropical regions of America and Asia spreading the virus persists, although with variations. As for the southern hemisphere temperate regions, the transmission of influenza "A" decreased in countries such as Chile, Argentina and New Zealand.
The World Health Organization has recorded more than 375 thousand cases of human influenza in the world, and four thousand 500 deaths, but warns that the infections likely are much higher because countries have failed to report each case.
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