Priority groups for the H1N1 vaccine:

Pregnant women

People who live with or provide care for children younger than 6 months

Health care and emergency medical services workers

Children and young adults (aged 6 months to 24 years old)

Adults aged 25-64 with chronic health disorders such as asthma, diabetes or a weakened immune system.

Nassau County Health Department: 888-684-4271; agencies/health/

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Suffolk County Department of Health Services: 631-787-2200;

New York State Department of Health: 800-808-1987;

Centers for Disease Control and Prevention: