Most seasonal flu activity starts in October, peaking in the coldest winter months and tapering off through late spring, according to the CDC. With October just around the corner, the CDC has issued its flu vaccination guidelines for the 2016-2017 season.
The recommendations include influenza vaccinations for all individuals older than six months who do not have a medical reason to not receive vaccinations. The CDC modified recommendations for individuals with severe egg allergies, as some vaccines contain proteins derived from eggs.
The CDC's Advisory Committee on Immunizations Practices is also recommending that LAIV4, the live attenuated nasal-spray version of the influenza vaccine, not be used due to concerns that it demonstrated low effectiveness against the A(H1N1)pdm09 strain of virus during the most recent flu season.