Where are you from? <a href="http://www.terravin.co.nz/index.php/1-3-dimethylamylamine-supplements-5c8e.pdf">1 3 dimethylamylamine hcl side effects</a>  Because of these changes, different combinations of flu viruses are contained in the flu vaccine each flu season. The vaccine is developed to protect against the main flu strains that research has shown will cause the most illness during the current flu season. Everyone should get vaccinated for the flu each year.