Fourth wave of Covid-19 coming? Omicron subvariant behind new cases in US
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Figures showing a global rise in COVID-19 cases could herald a much bigger problem as some countries also report a drop in testing rates, the WHO has warned, warning nations to remain vigilant against the virus.Figures showing a global rise in COVID-19 cases could herald a much bigger problem as some countries also report a drop in testing rates, the WHO has warned, warning nations to remain vigilant against the virus.
