Fall arrives in a few hours. Unfortunately, flu arrived earlier.

The San Francisco Chronicle reports that city already is dealing with flu. And with the coronavirus pandemic still looming, the potential for crisis is obvious.

“Even a mild flu season is disastrous on top of what is already an uncontrolled pandemic,” said Dr. Charlies Chiu, head of UCSF’s infectious diseases division. “We’re not handling COVID-19 very well. A few thousand flu cases could be enough to overwhelm our hospital system.”