How deadly is the new strain of bird flu? Signs and symptoms of D1.1 variant
A new strain of bird flu, D1.1 variant was detected in a dairy worker in Nevada after he was exposed to infected cattle, making it the state's first human case of the H5N1 avian influenza. The new strain is different from the B3.13 genotype that affected cows in previous outbreaks.
The Times of India ·