i hate people that report question that are just trying to make a joke like people need to chill and have a laugh every once in a while

Astudy shows that an influenza vaccine is 71.4% effective in preventing a particular type of influenza. if 15,422 people receive the vaccine, how many would not be protected and would be likely to get infulenza?

How can a person  best  reduce the risk of injuries on the road?  

What conditions are unaffected in physical conditions