(CIDRAP News) – Experts who have studied the 1918 pandemic have long puzzled over why the mortality rate in young adults was so high, a feature that might be explained by pathologic immune responses related to previous flu exposure, according to a new theory from a research team.
As the world recovers its bearings after spikes in pandemic flu activity and anticipates how the upcoming flu season will unfold, antiviral and vaccine experts in Atlanta today plotted out the new prevention and treatment tools public health officials may someday use to fine-tune their disease responses.
The World Health Organization (WHO) listed a global total of 2,500 confirmed cases of swine influenza H1N1 in 25 countries today. That total included 1,204 cases in Mexico, 896 cases in the United States (yesterday's number), 214 in Canada, 88 in Spain, and 34 in the United Kingdom. The death toll remains at 44, including 42 in Mexico and 2 in the United States. [WHO update 22]
(CIDRAP News) Health officials in Perth, Australia, last week advised parents to seek medical care quickly for young children with respiratory symptoms, after three children under age 5 died of pneumonia as a complication of "mild" influenza A infections.