In other developments, H5N1 has been detected in cats from South Dakota with no known links to poultry or dairy herd outbreaks.
Blue fox are the most common fur animal farmed in Finland, and officials say wild birds are the likely source of the virus.
In other developments, H5N1 was detected in feral cats in New Mexico and more dairy herds in affected states.
Like two recent 2.3.4.4b viruses, the subtype from the Texas patient is of moderate risk for both future emergence and public health impact.
Also, the WHO says overall cases and deaths are falling, but more nations are reporting variant viruses.
The tool has a diagnostic sensitivity of 97.8% and a diagnostic specificity of 98.9%, the authors say.
A report on two babies born in the Brownsville, Tex., area with congenital Zika infections showed that testing on their mothers during pregnancy and lab tests on babies don't always match up. Researchers from Driscoll Children's Hospital in Corpus Christi, Tex., where both babies were evaluated and treated, described their findings yesterday in Emerging Infectious Diseases.
World pandemic flu cases top 77,000
Though effective for other pathogens, the aging process didn't inactivate H5N1 avian flu virus in most raw cheese samples.
