Sixth human case of bird flu reported in Colorado, CDC says - CNN
- Sixth human case of bird flu reported in Colorado, CDC says CNN
- Extreme heat may be crucial factor in human spread of bird flu The Guardian
- US CDC confirms two additional bird flu cases in Colorado Reuters
- Bird Flu Infects 5 People in Colorado After Likely Cow-to-Poultry Spread ScienceAlert
- Bird flu is widening its reach. Maps show US counties affected by outbreak. USA TODAY