Nineteen new H7N9 avian influenza cases have been reported in seven of China's provinces over the past 3 days, though basic epidemiologic details are known for only six of them, according to official reports, including health department notices translated and posted by FluTrackers, an infectious disease news message board.
H5N2 avian flu—which surfaced in Minnesota poultry last week—has now struck at least one turkey farm in Missouri.
Flu activity in the United States was elevated last week for the fifteenth week in a row, but surveillance markers show that levels continue to decline.
The Centers for Disease Control and Prevention (CDC) said today that the percentage of doctor visits for flulike illness dropped from 3% to 2.5% last week, but it is still above the national baseline of 2%.
The finding marks the first appearance of high-path H5N2 in the Mississippi Flyway.
The 2 nations have destroyed more than 2.7 million poultry to combat H5N8 and H5N2.
A 16-year-old girl in Sharqia governorate and a 33-year old woman in Cairo died yesterday in Egypt from H5N1 avian flu, Ahram Online reported yesterday.
A case list compiled and monitored by the online news message board FluTrackers includes 78 H5N1 cases in 2015, not including the case in the 16-year-old girl. FluTrackers says 21 of the cases have proved fatal.
The latest estimate of the overall effectiveness of this year's seasonal influenza vaccine puts it at just 19% (95% confidence interval [CI], 7%-29%), slightly lower than the 23% reported in mid-January, the Centers for Disease Control and Prevention (CDC) reported yesterday.
Pediatricians and family physicians frequently face pressure from patients to spread out early-childhood vaccines and often acquiesce, according to a study today in Pediatrics.
Nearly all measures of seasonal flu circulation in the United States continued their slow decline last week, but they stayed above baseline levels, making the season officially longer than average, the Centers for Disease Control and Prevention (CDC) said today.
Thirteen weeks has been the average span of flu seasons over the past 13 years, and last week marked this season's 14th week, the CDC noted.
The WHO notes signs that flu strains, especially avian ones, are co-circulating at unprecedented levels.
