To assess pediatricians’ mumps knowledge and testing practices, to identify physician and practice characteristics associated with mumps testing practices, and to assess reporting and outbreak response knowledge and practices.
From January-April 2020, we surveyed a nationally representative network of pediatricians. Descriptive statistics were generated for all items. Chi-square, t-tests, and Poisson regression were used to compare physician and practice characteristics between respondents who would rarely or never vs. sometimes or often/always test for mumps in a vaccinated 17-year-old with parotitis in a non-outbreak setting.
The response rate was 67% (297/444). For knowledge, over half of pediatricians responded incorrectly or ‘Don’t know’ for six of nine true/false statements about mumps epidemiology, diagnosis, and prevention; and over half reported they would need additional guidance on mumps buccal swab testing. For testing practices, 59% of respondents reported they would sometimes (35%) or often/always (24%) test for mumps in a vaccinated 17-year-old with parotitis in a non-outbreak setting; older physicians, rural physicians, and physicians from the Northeast or Midwest were more likely to test for mumps. Thirty-six percent of pediatricians reported they would often/always report a patient with suspected mumps to public health authorities.
Pediatricians report mumps knowledge gaps and practices that do not align with public health recommendations. These gaps may lead to under-diagnosis and under-reporting of mumps cases, delaying public health response measures and contributing to ongoing disease transmission.

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