Do NOT call the office regarding Special Permission Numbers! SPN Application Instructions: The Special Permission Number registration period for Spring 2016 is currently CLOSED. We will open the SPN registration period on Friday, October 30th and will close on Thursday, November 19th.y clicking on the link to access the SPN Application Form, you are hereby acknowleding that you have read all of the instructions carefully, and that you accept the responsibility of ensuring that your form has been submitted in the appropriate manner: I have read all of the above instructions.
âAny time you get a flu shot is better than not getting a flu shot, but my best guess is that getting your flu shot in mid-October will give you the best chance of avoiding the flu this year,â says Jorge P. Parada, MD, a professor of medicine and director of the infection control program at Loyola University in Chicago.
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.