The U.S. Centers for Disease Control and Prevention on Friday confirmed the country's first case of H5N1 bird flu infection in a child, who experienced mild symptoms and is recovering from their illness.

In 2009, H1N1 bird flu caused the first global flu pandemic in 40 years, with the first infections detected in California. More than 12,000 people died around the US, and nearly 61,000 people were infected. The “pig flu” was constantly in headlines as communities tried to track the number of sick and dead from the contagious virus.

A bird flu outbreak has been confirmed at a commercial poultry farm in Cornwall. The government said all poultry on the infected premises - near Rosudgeon, St Ives - would be humanely culled and a 3km (1.