Flu Season Continues to Be Mild: CDC

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This year’s flu season continues to be a mild one, with low rates of hospitalizations and flu-related deaths, U.S. health officials reported Wednesday.

However, flu activity is picking up a bit and the season isn’t expected to peak for several weeks, probably some time in March, officials from the U.S. Centers for Disease Control and Prevention said.

“Last week influenza activity did increase a bit more and at a little bit faster rate,” said Lynnette Brammer, an epidemiologist in the CDC’s influenza division.

Doctor visits for flu last week increased from 2.5 percent of all visits to 3.4 percent, Brammer said. “To date, it’s still been a mild season, with low levels of hospitalizations and low levels of flu-associated deaths,” she said.

This flu season is a welcome change from last year, which saw a particularly early and nasty flu season. By this time last year, flu was already severe and sending thousands of Americans — especially older ones — to the hospital, Brammer said. In fact, she added, “By this time last year we had peaked and were coming down.”

Despite the mild season, 13 children have died from flu complications this year, Brammer said. Depending on the severity of a flu season, the CDC has reported anywhere from 40 to more than 300 pediatric deaths. So the number of child deaths this year is comparatively low, she said.

Unlike last year, the most common flu strain circulating this season is the H1N1 strain. Last year, it was the H3N2 strain, Brammer said. “But H3N2 is still hanging in there, it’s not going away,” she said. “We’ve got a little bit of everything out there.”

Both of these strains, and a third one, are included in the current flu vaccine, Brammer said, making this year’s shot a better match than last year’s.

Milder weather may be one factor affecting this flu season, Brammer said. But it’s only one factor of many that can determine the severity of a flu season. Another big factor is how many people are immune because they’ve been vaccinated.

The following states reported widespread flu activity: Arizona, California, Connecticut, Iowa, Kentucky, Maryland, Massachusetts, New Mexico, New York, Pennsylvania, Texas and Vermont. The rest of the states reported moderate to low flu activity, the CDC said.

In a typical season, flu complications — including pneumonia — send more than 200,000 Americans to the hospital. Death rates linked to flu vary annually, but have gone as high as 49,000 in a year, the CDC said.

Virtually everyone older than 6 months of age is advised to get a flu shot. The exceptions are people with life-threatening allergies to the flu vaccine or any ingredient in the vaccine, according to the CDC.

Pregnant women are considered at high risk and should get vaccinated. Women with newborns also need their flu shot to help protect their infants, who can’t be vaccinated until they are at least 6 months old. Also considered high risk for flu and prime candidates for a vaccine are seniors and people with chronic health problems, such as lung and heart disease, according to the CDC.

It’s still not too late to get a flu shot, Brammer said. “Even when we peak, it’s only halfway through the season. So for people who haven’t been vaccinated, there is still benefit to getting vaccinated.”

More information

To learn more about the flu, visit the U.S. Centers for Disease Control and Prevention.

Source: HealthDay

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