The CDC estimates the vaccine has reduced the risk of going to the doctor for flu-related illness by 47 percent overall this season. The effectiveness is even higher among children between the ages of 6 months and 17 years old, with the vaccine reducing doctors' visits by 61 percent. ...
a new study by the Centers for Disease Control and Prevention suggests, though effectiveness was still high against hospitalization.So far this season, the vaccine's protection against flu hospitalization was at least 63% for children and at least 41% for ...
, 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....
Effectiveness this season has been higher for children between the ages of 6 months and 17 years, at 61 percent. A companion CDC report out Thursday says 28 children have died in association with the flu so far in the 2018-2019 flu season, which the authors describe as a "low-severity...
Early estimates on the effectiveness of this year’s flu vaccines indicate they may be less effective at preventing hospitalization than in years past, based on data from South America, where the annual flu season occurs earlier. According to a report from the Centers for Disease Control and Pre...
Stobbe, Mike
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 ...
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 ...
"As a rule of thumb, at least in recent years, effectiveness against H3N2 has typically been lower than H1N1. And also as a rule of thumb, H3N2 typically has a higher impact on older adults and you see a lot more hospitalizations," Petrie said. ...
“That highlights the reason it’s so important to get the flu vaccination rates up this year, even relative to previous years,” said Aylward. “We need that capacity potentially to manage Covid.” Get CNN Health's weekly newsletter