The immunization program in 1976 was stopped early because the swine flu pandemic didn't occur, and the swine flu vaccine was caused many side effects, including Guillain-Barre syndrome and other severe allergic reactions.
As a healthy individual with no underlying conditions, there is no need for vaccination shot.
The first dose of swine flu vaccine primes the immune system to respond, but it's the second shot that triggers and boost the production of antibodies.
Yes, if you are at risk groups for both types of flu. The normal seasonal flu vaccine does not protect against swine flu.
The problem with normal flu vaccines is that influenza viruses are notorious shape and shifters. Mutation is rapid in new strains of flu virus. Therefore the immune response generated by the vaccine should match the circulating strain of swine flu.
If you are allergic to egg, then you should avoid the vaccine. Antiviral medications, which are given within 24 to 48 hours of the onset of symptoms, can dramatically improve the outcome.