The worst may be over.
As of Jan. 12, leading indicators of
"The peak of activity is over, but we still have a lot of disease," said Dr. Julie Morita, the department's medical director.
It's a similar story on the state level, where flu-related hospitalizations for the week ending Jan. 12 were the lowest in four weeks.
"Clearly we're having a decline," said Dr. David Zich, an internal and emergency medicine physician at
On Friday, the flu season entered its second week at epidemic levels nationwide, meaning more than 7.2 percent of all deaths are linked with influenza and pneumonia.
As of Jan. 12, the federal
In a conference call Friday, CDC Director Dr. Thomas Frieden declined to say whether the flu season has peaked nationally.
"You can't predict the future with flu," he said. "Remember, even when you're halfway through the season, that means you've still got half of the season left."
Frieden called the flu season "worse than average," with a particularly devastating impact on the elderly. Nearly half of all flu-related hospitalizations since Oct. 1 were for people 65 and older, according to the CDC.
In Chicago, almost three-quarters of this season's hospital visits due to flu-like symptoms have been among people 50 and older. Morita said this season's dominant strain — H3N2 — tends to affect young and old people more than other variations.
Health officials also have blamed H3N2 for the flu season's early start. It kicked off a month sooner than usual, Frieden told reporters.
Zich attributed the early spike to a "perfect storm of people who were very run down" during the holiday season. Because the flu season picked up in early December, he explained, more contagious people got together around Christmas than in previous years.
"This is not a supervirus," Zich said. "It's just bad timing."
Morita said Chicago's supply of
"We still need to keep our guard up," she said. "Our flu season is not over."