Experts say that tracking new Covid-19 cases is still important -- even if it is an imperfect measure
Covid-19 cases in the United States have fallen more than 95% from their peak in January, and on Friday, Hawaii will become the last state to roll back its indoor mask mandate. Testing has slowed, and states are scaling back on reporting surveillance data, too.
But experts say that tracking new Covid-19 cases is still important -- even if it is an imperfect measure. "Dating back to the beginning of the pandemic, we've always known that case numbers were being undercounted. It was never quite clear how much," said Michael Osterholm, director of the Center for Infectious Disease Research and Policy at the University of Minnesota.
And this individual risk assessment might get harder in the days and weeks to come if signals become mixed. In the UK, for example, the BA.2 subvariant of Omicron led to a rise in cases that has been much sharper than the rise in hospitalizations or deaths. But an individual approach shouldn't necessarily change, whether there are 500 new cases per day or 50,000 cases per day, LeVasseur said.
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