H5 bird flu, a type of avian influenza, has infected dozens of people in the U.S., and spread to seven states and Canada this year. As more human cases arise, there's deepening worry over whether the virus could lead to another pandemic or lockdown.

The United States Department of Agriculture has confirmed the presence of bird flu in Honolulu County, Hawaii, the first of its kind in the state during this outbreak, which began in 2022. (Reporting by Christy Santhosh in Bengaluru;