Singapore medical journal
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Primary care practitioners play an important role in administering and advocating childhood vaccination to protect our children against infectious diseases and to ensure herd immunity in our population. Primary care practitioners may encounter children who present out-of-schedule, as well as children who come for vaccination with intercurrent illnesses, egg or other allergies, or are on long-term medications. This article describes the approach to these issues and present useful resources and references that primary care practitioners can access.