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A serologic study of people who were exposed to patients with confirmed H5N1 avian flu in China found evidence of only two asymptomatic infections, suggesting that the virus isn't easily transmissible, researchers reported yesterday.
The team included scientists from the Chinese government, the World Health Organization (WHO), and the US government, and their findings appeared in PLoS One.
The CDC changed its criteria on whom should be tested, as the WHO and ECDC issued updates.
Two more kids contracted H5N1 in Cambodia, where 70% of cases have been in those under 14.
The US Centers for Disease Control and Prevention (CDC) reported four more Cyclospora infections today in a multistate outbreak, raising the official case count to 539, but the total does not include 20 new cases reported by Texas yesterday, which would bring the tally to 559.
A serology study in a hard-hit Chinese province shows evidence of asymptomatic or mild H7N9 cases.
Fifteen more Cyclospora infections have been reported in an ongoing multistate outbreak, including the first two cases reported by Virginia, the US Centers for Disease Control and Prevention (CDC) said in an update today.
The case, if confirmed, would be Guangdong province's first human H7N9 infection.
One more variant H3N2 (H3N2v) has been reported to the US Centers for Disease Control and Prevention (CDC), edging the total so far this year to 16, according to an update today. The newly reported infection is in a patient from Indiana, which has reported all but two of the H3N2v cases reported this year.
Two global groups weighed in today on a new study that found evidence that camels in two regions have antibodies to Middle Eastern respiratory syndrome coronavirus (MERS-CoV) or a close relative.
Researchers find evidence that camels have been exposed to MERS-CoV or a close relative.
A study on aerosol transmission of the novel H7N9 virus in ferrets found evidence of limited spread at levels more robust than avian influenza viruses, but less than seasonal flu and the 2009 H1N1 virus, researchers reported yesterday.
The group, from Erasmus Medical Center in the Netherlands and the University of Cambridge in the United Kingdom, published its findings in Nature.
The US Centers for Disease Control and Prevention (CDC) said today that it has received reports of 38 more Cyclospora infections, pushing the total in the multistate outbreak to 504.
So far 30 patients have been hospitalized, and no deaths have been reported. The most recent illness onset was Jul 24, but the CDC said most of the patients got sick in the middle of June through early July.
Mild cases in seven nurses show the disease isn't always severe.
Will future research include lab-modified strains that are more transmissible and require tighter safety measures?
A flu outbreak at an Arkansas cancer facility sparked concern about the possibility of H3N2v.
A report from the Yale University Law School says the United Nations is legally and morally obligated to compensate Haiti for the cholera epidemic caused by UN peacekeepers.
First report of probable transmission from a father to a daughter in a family cluster.
The US Centers for Disease Control and Prevention (CDC) has reported 41 more Cyclospora infections, raising its national total so far to 466, according to an update today. The latest illness onset date is Jul 23, but the CDC said most of the dates have ranged from the middle of June through early July.
Influenza activity increased in several areas of the Southern Hemisphere and was dominated by the 2009 pandemic H1N1 strain over the 2-week period from Jul 7 through Jul 20, according to World Health Organization (WHO) updates.
Comments from industry, public health, and providers on the debut of a new flu vaccine.
