Introduction:

Vaccination is the most effective public health intervention of all times, reducing the death and morbidity rates derived from multiple infectious diseases. In many cases, the administration and reception of vaccines is delayed due to the fear of allergic reactions; this is frequent among patients with allergy to egg who need the triple viral vaccine.

Objective:

To evaluate the frequency of reactions after the administration of triple viral vaccine (Measles, Mumps and Rubella, MMR) in an egg-allergic population.

Materials and methods:

We conducted a multi-center retrospective study (2014-2016) including patients with egg allergy who visited an allergology center and required the administration of the triple viral vaccine.

Results:

A total of 94 patients met the selection criteria. From these patients, 68.2% had cutaneous symptoms, 22.3% had an anaphylactic reaction, 5.3% had gastrointestinal symptoms, and 4.2% had respiratory egg-related symptoms. Regardless of the severity of their reaction to egg, all patients received the triple viral vaccine and in 100% of the cases, it was well tolerated.

Conclusion:

Although egg allergy is common in childhood, the risk of allergic reactions during the MMR vaccination in this population was similar to that in the general population, therefore, its use should not be deferred even in patients with a history of severe egg-related allergic reactions.

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