A sign announcing a face mask requirement is displayed at a hospital in Buffalo Grove, Ill., Friday, Jan. 13, 2023.

Video. Experts urge more testing as new COVID-19 variant emerges

With another COVID-19 ‘variant of interest’, the World Health Organization is warning countries around the world not to dismantle their surveillance measures. The health body says the new variant EG5 is a mutation of Omicron and is similar in its effects.