The Centers for Disease Control and Prevention figures that, overall, the flu vaccine is 36 percent effective at preventing disease. Recent data published by the CDC show that this year's vaccines are actually more than 50 percent effective in protecting younger patients. The numbers were worse for H3N2.
"In severe seasons in the past over 700,000 people have been hospitalized and 56,000 people died from influenza". Also, the CDC recommends that individuals avoid close contact with sick people, avoid touching their eyes, nose, and mouth, and clean and disinfect surfaces and objects that may be contaminated with germs. So, too, has President Trump, according to Azar, who said he spoke to the president Wednesday about the continuing flu threat.
She said the doses of vaccine she still had on hand don't expire until May 31. The vaccine provided 59 percent protection against H3N2 in children 8 and younger. And, it offered 33 percent effectiveness for those aged 18 to 49.
This year's predominant strain is an H3N2 Influenza A virus, which tends to be more severe than others. That's no reason for health officials to celebrate yet: That level is among the highest in a decade.
Most illnesses this winter have been caused by a nasty kind of flu called Type A H3N2.
Most people with the flu have mild illness and do not need medical care or antiviral drugs. According to the CDC's website, up to 166 million flu vaccines were produced this year.
The flu season has been harsh towards baby boomers. Canadian researchers estimated a 17% effectiveness rate.
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This season's flu is one that continues to make headlines.
"If it is a bad season, and this is a bad season, that's going to prevent thousands of hospitalizations and deaths", he said.
Of those who did have influenza, 43 percent had been vaccinated.
Health officials have confirmed the first flu-related pediatric death in MA. New York City has reported more than 4,200 flu-positive respiratory samples as of week 4. The percentage of visits to emergency departments and admissions to hospitals from emergency departments continued to climb, though not as rapidly as in the previous week.
The average flu season begins around October, peaks during the months of December through February and can last as long as May.
There have been eight flu-related deaths in Nova Scotia over the past week, and health officials say it may be the result of an abnormal influenza season.
In a typical season, vaccines prevent 40% to 60% of flu cases serious enough to send people to doctors' offices.