May 5, 2014 — The paralyzing virus had seemed on the verge of disappearing. But this year cases are being reported in 10 countries. The World Health Organization has responded with strict vaccination rules.
Feb 13, 2014 — Young people are usually less likely to become seriously ill with flu, but this season looks like an exception to that rule. Blame the H1N1 strain. Even though the flu vaccine is less than perfect, getting a shot each year can make the illness less severe, doctors say.