Rachel M Burke1,2, Jacqueline E Tate1, George S Han3, Rebecca Quenelle3, Rashi Gautam4, Debra A Wadford5, Michael D Bowen1, Umesh D Parashar1. 1. Viral Gastroenteritis Branch, Division of Viral Diseases. 2. Epidemic Intelligence Service, Centers for Disease Control and Prevention, Atlanta, Georgia. 3. Santa Clara County Public Health Department, San Jose, California. 4. IHRC, Inc, Contracting Agency to the Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia. 5. California Department of Public Health, Viral and Rickettsial Disease Laboratory, Richmond.
Abstract
BACKGROUND: The introduction of rotavirus vaccine in the United States has reduced rotavirus disease burden, but outbreaks still occur. Complete-series rotavirus vaccination coverage is <75% in the United States, and it might be lower among vulnerable populations. We describe here the clinical characteristics and vaccination status of children during a rotavirus outbreak in a pediatric subacute care facility in 2017. METHODS: Clinical history, signs and symptoms, and vaccination history were abstracted for the 26 patients residing in the facility during the time of the outbreak. A case-patient was defined as one who experienced 3 or more loose stools in a period of 24 hours with onset between April 17 and May 17, 2017. Stool samples from 14 resident patients were tested for rotavirus with reverse-transcription polymerase chain reaction. RESULTS: The median patient age at the facility was 2.9 years. Of the 26 resident patients, 22 (85%) met the case definition. One child died. Stool samples from 11 case-patients were positive according to reverse-transcription polymerase chain reaction for rotavirus. Fifteen case-patients were unvaccinated against rotavirus; 3 were partially vaccinated, and 2 were fully vaccinated. Vaccination status could not be completely determined in 2 cases. CONCLUSIONS: An outbreak of rotavirus affected nearly all resident patients of a subacute care facility and caused 1 death. Because of recommendations against giving rotavirus vaccine in an intensive care setting, infants who require a prolonged intensive care stay might age out of rotavirus vaccine eligibility (the first dose must be given before 15 weeks of age according to Advisory Committee on Immunization Practices recommendations). The result is a vulnerable population of unvaccinated infants who might later congregate in another care setting. Published by Oxford University Press on behalf of The Journal of the Pediatric Infectious Diseases Society 2019.
BACKGROUND: The introduction of rotavirus vaccine in the United States has reduced rotavirus disease burden, but outbreaks still occur. Complete-series rotavirus vaccination coverage is <75% in the United States, and it might be lower among vulnerable populations. We describe here the clinical characteristics and vaccination status of children during a rotavirus outbreak in a pediatric subacute care facility in 2017. METHODS: Clinical history, signs and symptoms, and vaccination history were abstracted for the 26 patients residing in the facility during the time of the outbreak. A case-patient was defined as one who experienced 3 or more loose stools in a period of 24 hours with onset between April 17 and May 17, 2017. Stool samples from 14 resident patients were tested for rotavirus with reverse-transcription polymerase chain reaction. RESULTS: The median patient age at the facility was 2.9 years. Of the 26 resident patients, 22 (85%) met the case definition. One child died. Stool samples from 11 case-patients were positive according to reverse-transcription polymerase chain reaction for rotavirus. Fifteen case-patients were unvaccinated against rotavirus; 3 were partially vaccinated, and 2 were fully vaccinated. Vaccination status could not be completely determined in 2 cases. CONCLUSIONS: An outbreak of rotavirus affected nearly all resident patients of a subacute care facility and caused 1 death. Because of recommendations against giving rotavirus vaccine in an intensive care setting, infants who require a prolonged intensive care stay might age out of rotavirus vaccine eligibility (the first dose must be given before 15 weeks of age according to Advisory Committee on Immunization Practices recommendations). The result is a vulnerable population of unvaccinated infants who might later congregate in another care setting. Published by Oxford University Press on behalf of The Journal of the Pediatric Infectious Diseases Society 2019.
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