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Will persons infected with mumps who are symptomatic and have a history of one or two doses of MMR have an IgM response?

April 26, 2017doses History igm Infected MMR Mumps persons Response symptomatic

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Will persons infected with mumps who are symptomatic and have a history of one or two doses of MMR have an IgM response?

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The IgM response to mumps infection in vaccinated persons is highly variable and may be absent. In unvaccinated cases, IgM is present by day 5 post onset of symptoms and peaks at about 1 week; IgM can be present for at least 6 weeks.