Influenza is a viral infection that attacks your respiratory system — your nose, throat and lungs.
shot flu Sore after throat
By submitting your question, you hereby give CNN the right, but not the obligation, to post, air, edit, exhibit, telecast, cablecast, webcast, re-use, publish, reproduce, use, license, print, distribute or otherwise use your questions s and accompanying personal identifying and other information you provide via all forms of media now known or hereafter devised, worldwide, in perpetuity. In seasons when the vaccine viruses matched circulating strains, flu vaccine has been shown to reduce the risk of having to go to the doctor with flu by 40 percent to 60 percent. Two weeks prior to presentation he had been prescribed amoxicillin for a sore throat and fever, however he was not tested for streptococcus or influenza at that time. It's a virus that infects the respiratory system.
For example, during , flu vaccination prevented an estimated 85, flu-related hospitalizations. On this page: How Serious Is Flu? Medically reviewed by Stacy Sampson, DO. Both drugs can also be used to prevent influenza in unvaccinated persons who are exposed to the infection.