>"US health officials are urging Americans not to be complacent and to use every tool at their disposal to prepare for the Omicron variant of Covid-19, which was recently deemed a "variant of concern" by the World Health Organization (WHO)."
>"US health officials are urging Americans not to be complacent and to use every tool at their disposal to prepare for the Omicron variant of Covid-19, which was recently deemed a "variant of concern" by the World Health Organization (WHO)."