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About IDPH

Immunization

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State Guidelines for Communicable Disease Prevention

The Illinois Department of Public Health has issued immunization guidance for respiratory virus season (flu, RSV, and COVID-19) and for routine child and adult immunizations. The following links provide more information about these actions:

2026-2027 Respiratory Virus Season Immunization Recommendations

Adult Immunization Schedule Information

Immunizations During Pregnancy

Childhood Immunization Schedule Information

Hepatitis B Information

Immunizations, also known as vaccines, are one of our greatest defenses against many serious illnesses. The Illinois Department of Public Health’s (IDPH) Immunization Section conducts programs and initiatives to ensure each child in your family has up-to-date immunizations.

Keep yourself and your family protected - get immunized!

Review the CDC vaccination schedules for infants, children, preteens, teens, and adults found under Resources.

Illinois state law requires certain immunizations for children and adults enrolled in child care, school, or college. State law also mandates immunizations for adults in specific fields of work ( e.g., health care). Review these requirements under Laws and Rules.

What diseases do vaccines prevent?

Immunizations protect people against the following:

In certain circumstances, some people may benefit from the following vaccines:

Resources

Forms

Laws & Rules

Publications