US President Joe Biden's steps to backstop hospitals and distribute coronavirus test kits, however welcome, are too little too late to stem a surge of Omicron-related coronavirus cases over Christmas and New Year, health experts said.

A day after Biden (above) outlined plans to distribute 500 million at-home coronavirus test kits, Anne Rimoin, a UCLA professor of epidemiology, praised his focus on testing, a "critical tool" that the United States was "woefully" behind on.

"Unfortunately, it’s late in coming and will be a small drop in the...