As is the case with most diseases there are some who will suffer lasting effects. This is no different from influenza.
However despite this fact we don't destroy economies because of flu so why are we doing so because of Covid-19?
https://www.health.com/condition/cold-flu-sinus/flu-long-term-effects
health.com
5 Ways the Flu Can Affect Your Health Even After You Feel Better
Amanda MacMillan
9-11 minutes
You probably know by now some of the major reasons you should get your flu shot this and every year: More than
80,000 people died from the flu last year in the United States, including many otherwise healthy children and young adults. And while the shot doesn’t offer 100% protection against the virus, it’s certainly better than nothing. Even if you do get sick, being vaccinated reduces your risk of getting a severe case of the flu and winding up in the hospital. It also makes it less likely that you’ll pass the flu onto others.
But there’s another, lesser known argument for getting the flu shot, and for taking other
precautions against influenza, as well: The flu isn’t just a health risk for the seven days or so that you’re physically sick with the virus—
it can also have some lasting effects that could affect your health for weeks, months, or even permanently. Here are some of the ways the flu can be a risk factor for health issues, even after you’re feeling better.
Heart attack and stroke risk
A number of studies have linked influenza to an increased risk of heart attack and stroke, and scientists have theorized that the inflammatory response triggered by the flu can fuel the development of atherosclerosis, a contributor to heart and artery disease. In a study published this year in the
New England Journal of Medicine (NEJM), Canadian researchers found that the
risk of having a heart attack was six times higher during the week after being diagnosed with the flu, compared to the year before or after a flu infection.
Other research has suggested that this association persists past those initial seven days of infection: A 2004
NEJM study found that while the increased risks of heart attack and stroke were both highest in the first three days after diagnosis, the dangers only “gradually fell during the following weeks.” And in 2008, researchers reported in the
European Heart Journal that
the risk of stroke after a flu diagnosis remained elevated up to three months.
“Most people who have studied this agree that two to four weeks, and maybe even into that second month, there is an increased risk of heart attack and stroke,” says William Schaffner, MD, an infectious disease specialist at Vanderbilt University. But the message hasn’t yet reached the general public, he adds, or even a lot of physicians. “When I mention this to doctors during continuing education classes, they sit up in their chairs; they’ve never heard this before.”