, even if every single person got a shot in the arm, the vaccine(疫苗)--- with its excellent 36 percent effectiveness---would not prevent everyone from getting infected with the annoying virus. Knowledge is power, so here's what goes on in your body when you come down with the flu....
"We really have to go back a number of years to look at influenza B effectiveness. And when you go back for those older years, you do see it ranging usually in the 40 to 60 percent range," said Ellington. Usual effectiveness for influenza A Effectiveness estimates for influenza A, which...
Effectiveness of Flu Shot under 20 per Cent for Dominant Strain This Season: ExpertsEffectiveness of flu shot low this season: experts--TORONTO - The effectiveness of this season's...Ubelacker, Sheryl
Why may the way flu shots are made contribute to lower effectiveness?A. Researchers have been trying to grow new flu viruses in the chicken eggs.+B. Vaccines generally could lead to people remaining susceptible to flu viruses,C. The minor changes to H3N2 in the shot bring forth greater ...
Researchers emphasized the effectiveness of the vaccine among people above 65 years of age and the immunocompromised population, two groups that are more likely to get a more severe illness from the flu and less likely to have an immune response to the vaccine. ...
How effective is the latest flu shot? The effectiveness of the flu vaccine varies year to year depending on how well it is matched to the circulating virus. However, research shows the vaccine can prevent hospitalizations and deaths from the flu. In a severeflu season, the United States may...
This year’s numbers are almost identical to three years ago, in the 2014-2015 season -- both years surpassed what was seen last year, 2016-2017. Twenty-six states are reporting high flu activity, with some of the worst in Arkansas, where 14 percent of outpatient doctor visits were for ...
Cennimo: As in previous years, theflu vaccinewill cover both Influenza A and B types. Last year's Influenza A strain was updated to better match circulating viruses, but the Influenza B vaccine remains the same as last year. A majority of last year's cases had an H1N1 component, against...
If you are getting older (or “on up in years”) — say, well into your 50s or beyond — then I suspect you have developed a special appreciation of the perceptiveness that informsWilliam Yeats’spoem “Sailing to Byzantium” (Video reading below). If you are fairly young and age is ...
In past years, some authorities had been cautious in endorsing the nasal spray, Neuzil said. But it was widely and successfully used in the U.K. last year, and other studies have proven its effectiveness. This year, "Parents can use either the spray or the shot as long as the child is...