date:Sep 28, 2018
e elderly. The flu causes a systemic inflammatory reaction that continues past the time people are in the acute stage of illness, Schaffner explained.
It's why many people feel wiped out for two weeks or more after they have stopped coughing, Schaffner said. This lingering inflammation can involve blood vessels, particularly to the heart and brain, which can lead to increased risk of heart attack and stroke during the two to four weeks of recovery from flu.
The disease can also lead to incompl