US health officials Friday said fewer visits to the doctor the previous week - 1 out of 16 - were for fever, cough and other flu symptoms than during the previous two weeks, according to The Associated Press. Of note, the effectiveness of the vaccine against H3N2 in children 6 months to 8 years of age was 51 percent this season, yet the effectiveness in those 65 years and older was only 17 percent, and the effectiveness in older children and adults under 65 years of age was even lower.
The flu season lasts from October to May and can peak at any time, according to the Texas Department of State Health Services.
In what Gottlieb called an "especially difficult" season, there have been 97 pediatric flu-related deaths so far. Type H3N2 is now the most common strain in Asia and in the United States.
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"And we're seeing an increase in one that is prevented by the flu vaccine quite well", she says. The data show that overall vaccine effectiveness for H1N1 and influenza B was 67 percent and 42 percent, respectively, for all age groups combined.
After these updates the Federal health officials now trying to know that why the present flu vaccines are not as effective as the previous one. According to a February 17 flu report issued by the Colorado Department of Public Health and Environment, the 2017-2018 season has seen the highest number of influenza-associated hospitalizations in a single season for Colorado. "The vaccine is never flawless, but is does appear to still have some protectiveness to it".
The nasty flu season has brought more attention to the flu shot.
Health officials say this year's worse-than-average flu season is finally showing signs of loosening its grip across the U.S. Or perhaps culturing the vaccine via cells, compared to the conventional method of egg-based culturing, might make a difference, he suggested. And the proportion of outpatient visits for flu-like illness in Georgia was 11.9 percent, down from 15.2 percent. "We do monitor throughout the state, and we're finding that it still is occurring in all parts of the state". It can also reduce your contagiousness to others, so if you live with somebody who would really get sick with the flu, get vaccinated.
"We're seeing the flu in everybody, of all ages".