|
||||
|
|
||||
|
||||
|
All materials on this website are copyrighted. Copyright © 2005-2008 by The Trustees of Columbia University in the City of New York. All rights reserved.
Mac users: please note that our site is optimized for the Safari browser. |
|
Immunizations and tests
|
|
Originally Published: December 02, 1994
~ Last Updated / Reviewed on: October 05, 2007
|
|
Dear Alice,
Since winter is approaching soon and it is the time for sniffles and sneezing, what do you think about getting a FLU SHOT as an ounce of prevention? — Achoo, cough, cough
Dear Achoo, cough, cough, To get the shot or not, that is the question… The flu season starts in October, with the peak months being January and February. You can get the flu vaccine anytime during the flu season. There are two types of flu vaccines: the injection and the nasal spray. Injectable flu vaccines usually contain killed strains of types A and B flu virus, and help your body to provide immunity to these two common strains of the flu. The nasal spray vaccine contains a live, but weakened version of the same strains. Several clinical studies have shown that the annual flu vaccine is 70 to 90 percent effective against influenza. What this means is that while a person reduces her or his individual risk of getting the flu after having received the flu vaccine for that year, it is still possible to get sick from the illness. Any immunity from these vaccines is short-lived, however, and with the influenza virus changing each year, vaccination must be repeated annually to continue protection. Whatever protection you do get doesn't kick in until about two weeks after getting the vaccine. Considering the flu vaccine may be in limited supply in some years, who is given priority for receiving the vaccine early in the flu season? The following groups of people are recommended to get the flu vaccine in October and November each year since they are at increased risk for serious complications from the flu, including pneumonia, hospitalizations, and death:
In addition, health care workers, household members or other close contacts, and employees of nursing homes, chronic care facilities, assisted living, and other residences are urged to get the vaccine because their close contact with individuals at risk may cause inadvertent transmission of the influenza virus. Not everyone is eligible for the influenza vaccine because they may develop serious side effects from getting it. If you have any of the conditions below, consult with a health care provider first:
If you do get the flu vaccine, the most common side effect is some mild swelling, redness, and soreness around the area of the injection, which can last 1 to 2 days. You may also feel a little achy, with general malaise, fever, and muscle pain lasting 1 to 2 days. Despite these possible side-effects, a flu shot is much less dreary than getting a full-fledged case of the flu. Other less likely adverse effects are allergic reactions and the development of Guillain-Barre syndrome, a rare paralytic illness, but this disease is extremely uncommon. Each year Health Services at Columbia will have a supply of injectable influenza vaccine for eligible For more information, you can check out the following resources:
Related Q&As |