When vaccine first became available to protect against infection with H1N1 virus, supplies were limited and those who were in high risk groups were given priority for receiving the vaccine. However, as of late December 2009, supplies increased substantially so that sufficient vaccine was available for everyone who chose to receive it. The CDC recommends that all individuals, regardless of age or health status, receive the vaccine. Individuals, age 65 or older with no medical risk factors, are less likely to get sick with H1N1, however, severe illness and deaths have occurred in all age groups. Therefore, it is prudent for everyone to be vaccinated.
The vaccine is produced in the same manner as the vaccine against seasonal influenza and has the same assurance of safety that has been proven with the seasonal influenza vaccine. One caution that should be noted is that persons with known allergies to eggs may experience allergic reactions to the H1N1 vaccine, as they would with any influenza vaccine. These individuals should consult with a physician before receiving the vaccine.