Severe allergic reactions to vaccines are rare, but they can occur. Vaccines that contain egg proteins may trigger allergic reactions in individuals with egg allergies. However, most people with egg allergies can safely receive vaccines, including the flu vaccine, without any adverse reactions.
The measles, mumps, and rubella (MMR) vaccine, as well as the yellow fever vaccine, are other examples of vaccines that historically were produced using egg-based manufacturing processes. However, in recent years, advancements have been made in vaccine technology, and many vaccines are now produced using different methods that do not involve eggs.
For individuals with a history of severe egg allergies, the Centers for Disease Control and Prevention (CDC) and the World Health Organization (WHO) recommend the following:
- If a person has had a severe allergic reaction to any component of a vaccine, they should not receive that vaccine.
- If a person has a history of a severe allergic reaction to eggs but has only experienced hives after exposure, they can typically receive any licensed and recommended vaccine, including those containing egg proteins, in a regular healthcare setting. However, it is always best to consult with a healthcare provider to assess the specific situation and make an informed decision.
In cases where an individual has a history of severe egg allergy or other severe allergic reactions, the vaccination may be administered in a controlled setting, such as a hospital, under the supervision of a healthcare professional who can manage any potential adverse reactions.
It is essential to inform your healthcare provider about any known allergies or adverse reactions before receiving a vaccine. They can guide you on the best course of action and may recommend alternative vaccine options if necessary. Vaccinations are a critical tool in preventing infectious diseases, but the safety and appropriateness of specific vaccines depend on individual health considerations.