Flu Vaccine

Flu Vaccine
Yearly flu vaccinations are the best way to prevent the flu and are recommended for all people six-months of age or older. There are two varieties of flu vaccines, one is an injection that delivers inactive flu virus into the body, and the other is a nasal spray that consists of a live dose of flu that has been weakened to a point where it cannot cause actual flu symptoms.

How it Works
Flu vaccinations work by enabling the body to develop the antibodies necessary to fight off the influenza virus. Once flu antigens are injected into the body, the body is tricked into believing it has been infected by the virus, and begins to create antibodies to fight off the infection. After the antibodies are created, they are stored in the body where they can be used to fight off infections of actual influenza antigens.

Types of Flu
There are three types of flu virus- Type A, Type B, and Type C. Type A flu is the most serious and can lead to epidemics. It can infect both humans and other animals. Type B is also serious but generally milder than Type A. It infects only humans. Type C is milder than Type A or B, and does not cause epidemics. Flu vaccines contain strains of both the Type A and Type B flu viruses that scientists believe will be the most virulent in any given year. Research and monitoring done by the World Health Organization (WHO), helps scientists match flu shots to the most recent and active strains of flu virus.

Why Flu Shots Change Every Year
Influenza virus mutates quickly, and each year, new strains infect humans around the world. Because immunity against a previous strain of flu will not be effective to fight off new strains of the virus, people need to have a flu shot before every flu season.

When Flu Vaccines Should be Administered
It is best to have the flu vaccine in the months before the flu season starts as this gives your body time to build up the necessary antibodies to protect itself. Your geographical location will influence when flu season begins, but in the Unites States, vaccines are generally started in September and continue through the end of flu season in January or February.

Effectiveness of Flu Vaccination
Although the effectiveness of flu vaccines is dependent on many variables, such as the health and age of the patient, and how well the vaccine matches up to the current strains of flu virus, the benefits of the vaccine far outweigh the side-effects. These side-effects, which are usually localized soreness of the injection site, low grade fever and muscle aches, are not reason enough to forgo a yearly flu shot, and the Center for Disease control now recommends everyone (except those who fall into specific risk groups) should consult their doctor and try to schedule a flu vaccination before the next flu season begins.

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The FDA, due to the current state of their regulations, has taken the position that virtually all shipments of prescription drugs and certain other products imported from a Canadian or other foreign dispensary by a U.S. consumer will violate the law. Many legal experts, however, disagree with this position. These legal experts have observed that such importation is permitted under federal law as practiced. The FDA itself provides guidance to the public on how to accomplish such importation and no individual has ever been prosecuted by the FDA for importing non-controlled prescription drugs for personal use from a certified member of the Canadian International Pharmacy Association.