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Hamilton COVID-19 vaccination program expands eligibility for fourth doses

Effective July 14, 2022, fourth doses of the COVID-19 vaccine are available for individuals aged 18 and over. Individuals are eligible to receive a second booster (fourth dose) five months or 140 days after their first booster (third dose) or after a minimum of three months or 84 days with informed consent, however, longer interval has shown to provide better immunity protection.

It is strongly recommended that Immunocompromised individuals 18+ and other previously eligible and high-risk individuals, receive their fourth dose of vaccine if they have not already. This includes:
• Individuals aged 60+;
• First Nation, Inuit and Métis individuals and their non-Indigenous household members aged 18+; and
• Residents of local long-term care homes, retirement homes, or an Elder Care Lodge and older adults living in other congregate settings that provide assisted-living and health services

Community members 18 to 59 years old with an underlying health condition(s), such as heart disease or cancer are recommended to receive a fourth dose of a COVID-19 vaccine. While most community members aged 18 to 59 years old will continue to have strong protection against COVID-19 more than six months after their first booster dose of a COVID-19 vaccine, expanding second booster dose eligibility will ensure that community members can make an informed decision based on their and their loved ones’ personal circumstances.

It is recommended that those that are eligible and have not yet received their third dose of COVID-19 vaccine strongly consider getting their third dose.

Booking an appointment
Information about local COVID-19 vaccine clinic locations, hours of operations, and how to book appointments is available at Additionally, residents are also encouraged to check with local pharmacies who are offering COVID-19 vaccinations.

Hamilton COVID-19 vaccination program expands eligibility for fourth doses