- United States reports for the week 50 a continued decrease of influenza activity. Also visits to doctors for influenza-like illness, flu-associated hospitalizations, and flu-associated deaths all declined from the previous week. In week fifty there have been 9 deaths in children attributed to influenza bringing the total to 221 since late august
- The seventh Harvard pandemic survey has found that immunisation uptake in the United States has increased substantially recently, especially in children among whom it is estimated that 38% have now been immunised. Just over half of Adults state they do not intend to be immunised and 35% of parents stated they did not intend to have their children immunised.
- A total of 1 832 fatal cases in Europe and EFTA countries and 10 944 in the rest of the world have been reported up to date.