Mumps — United States
Donahue M, Hendrickson B, Julian D, et al. Multistate mumps outbreak originating from asymptomatic transmission at a Nebraska wedding — Six states, August-October 2019. MMWR Morb Mortal Wkly Rep 2020; 69: 666-669.
A mumps outbreak involving 6 states occurred following exposure to an asymptomatic, fully vaccinated (1) index patient who reported extensive social interaction during the peak