Covid cases rise 'through the roof' as Omicron variant sweeps across US

On the plus side, hospitalizations and deaths have been rising more slowly, and it remains to be seen whether omicron's casualty toll will reach levels of previous surges.

In Boston, coronavirus levels measured in wastewater are spiking to more than quadruple last winter’s surge. In Miami, more than a quarter of people are testing positive for Covid. And a San Francisco medical leader estimates that, based on his hospital’s tests, one of every 12 people in the city with no Covid symptoms actually has the virus.

As the omicron variant sweeps the country, daily cases are reaching unheard-of levels, crossing the half-million mark, and are only expected to go much higher. 

Some projections are for a peak of more than one million cases a day by as early as