Initial studies of how the H5N2 virus invades poultry farms point to no one clear factor, the USDA says.
The World Health Organization (WHO) today released a snapshot of 15 H7N9 avian influenza cases, 3 of them fatal, that it received from China on Jun 12.
Today's report didn't include individual details about each patient, but rather a broad epidemiologic view of the most recent infections. The WHO said illness-onset dates range from Apr 19 to May 22 and all of the cases involved exposure to poultry environments.
Four Arizona properties are quarantined because they received poultry and eggs from an affected Iowa facility.
Chinese health officials yesterday and today reported nine new H7N9 avian flu cases, including one fatality, according to translations of reports posted by FluTrackers, an infectious disease news message board.
As MERS continues to spread in South Korea, two more cases have been reported in the Middle East, one in the United Arab Emirates (UAE) and one in Saudi Arabia.
A 77-year-old woman in Abu Dhabi, UAE, is in critical condition with MERS-CoV (Middle East respiratory syndrome coronavirus), the World Health Organization (WHO) reported yesterday. She fell ill May 21 and was hospitalized a week later.
The farm is back in operation after 3 months, and the US is importing eggs because of H5N2.
Saudi Arabia reported just one MERS-CoV case today, in Mecca province, far from the eastern city of Hofuf, which has been the country's MERS hot spot the past several weeks.
H5N2 has been found in wild Canada geese in a Detroit suburb, its first detection in Michigan.
The county at the epicenter of Minnesota's avian influenza crisis, Kandiyohi, has been hit by another probable outbreak, its 40th, state officials reported today.
Reasons for not using a vaccine include low effectiveness and likely loss of markets for US poultry.