Tests That Look For Multiple Causes Of Rash In Children May Incorrectly Identify Measles Infection If Child Has Recently Received MMR Vaccine, Research Finds

Healio (3/29, Weldon) reported CDC research shows that “tests that look for multiple causes of rash in children may incorrectly identify a measles infection if a child has recently received an MMR vaccine.” They advised physicians to practice caution in reviewing PCR tests for measles to avoid misdiagnoses. Investigators “found that syndromic PCR panels may incorrectly indicate a child with rash has measles if they recently received the MMR shot.”