The US has never recorded this many positive flu tests in one week

This flu season’s ferocious start has given way to record-shattering levels of transmission — and massive strains on the American health system.

In the week ending November 26, more than 34,000 positive flu tests were reported to the Centers for Disease Control and Prevention (CDC) from labs around the US, as shown in the orange line on the chart below. That’s more positive flu tests than have been reported in any single week during any flu season on record, going back as far as 1997.

The trajectory dwarfs the past six flu seasons, including the relatively bad 2019-2020 one that immediately preceded the start of the Covid-19 pandemic (shown in the black line)...

2022 is the worst flu season in two decades. See the rise in charts. - Vox