
Prophylactic holiday in Mexico?
06/15/2009Influenza A H1N1 is turning into a pandemic. What will the number of cases be, what groups will be the most affected, how virulent will the virus be, and how long will it last?
Influenza A H1N1 is turning into a pandemic. What will the number of cases be, what groups will be the most affected, how virulent will the virus be, and how long will it last?