Most districts dip below the required 176 days. America's traditional 180-day school year is more myth than reality in Illinois, as a jumble of state laws, rules and waivers allow districts to chip away instruction time, shorten school hours and cut the number of days students come to school.
The influenza virus nasal vaccine is a live virus vaccine. Influenza virus vaccine is also available in an injectable form, which is a killed virus vaccine. Influenza virus nasal vaccine works by exposing you to a small dose of the virus, which helps your body to develop immunity to the disease.
1 Most flu shots are given with a needle. 2  One standard dose trivalent shot also can be given with a jet injector, for persons aged 18 through 64 years. 3  A high-dose trivalent shot, approved for people 65 and older. 4  A trivalent shot containing virus grown in cell culture, which is approved for people 18 and older.accination for Adults. Everyone 6 months of age and older are recommended to get the flu vaccine, including even the healthiest adults. Vaccination is especially important for people at higher risk of serious influenza complications or people who live with or care for people at higher risk for serious complications.