American medical authorities expressed strong concern as seven known cases of the flu, which has been identified as a potential source of a human flu pandemic, have been reported in the southern US.
Mexican authorities warned people to avoid crowds or using the subway as it launched a massive vaccination campaign in the country’s populous capital.

For more information click the following article source link for the full story:
http://www.articlesbase.com/humor-articles/fears-rise-as-dea…