So far there’s been only one reported human case of bird flu in Texas this year in April and 46 total in the U.S., according to the Centers for

The infected person is linked to a previously reported outbreak tied to a commercial poultry operation in the state, where the virus has been confirmed in 150,000 birds, the state health authority said.

With 46 U.S. cases and alarming signs of the virus crossing species, experts warn of unpredictable risks if human-to-human transmission were to emerge.

A teenager in British Columbia is critically ill with Canada's first case of the H5N1 bird flu strain. While the virus has spread to humans in rare cases, experts say the risk of a pandemic is low as it doesn't transmit easily between people.