Morgane Donadel1, Aurora Stanescu2, Adriana Pistol2, Brock Stewart3, Cassandra Butu4, Dragan Jankovic5, Bogdan Paunescu6, Laura Zimmerman3. 1. Global Immunization Division, Centers for Disease Control and Prevention, 1600 Clifton Rd NE, Atlanta, GA, 30333, USA. mxi4@cdc.gov. 2. National Public Health Institute, Bucharest, Romania. 3. Global Immunization Division, Centers for Disease Control and Prevention, 1600 Clifton Rd NE, Atlanta, GA, 30333, USA. 4. World Health Organization, Romania Country Office, Bucharest, Romania. 5. World Health Organization, European Regional Office, Copenhagen, Denmark. 6. TOTEM Survey Company, Bucharest, Romania.
Abstract
BACKGROUND: Case fatality ratio (CFR) among all age groups during the 2016-2018 measles outbreak in Romania was increased compared with previous outbreaks. To identify risk factors for measles death, we conducted a case-control study among infants and children hospitalized for measles. METHODS: National surveillance data were used to identify hospitalized cases of laboratory-confirmed or epidemiologically linked measles in infants and children aged < 59 months with rash onset from January 2016 to July 2018. We abstracted medical records of 50 fatal cases ("cases") and 250 non-fatal cases ("controls") matched by age, sex, district of residence, and urban/rural place of residence. We calculated univariable and multivariable matched odds ratios (OR) and 95% confidence intervals (CIs) for risk factors. RESULTS: Ninety-three percent of case-patients and controls had not received a valid dose of a measles-containing vaccine; only 5 % received Vitamin A supplementation once diagnosed with measles. In the univariable analysis, cases were more likely than controls to have had a healthcare-related exposure to measles manifesting as inpatient admission for pneumonia during the 7 to 21 day measles incubation period (OR: 3.0; 95% CI [1.2, 7.2]), to have had a history of malnutrition (OR: 3.4; 95% CI [1.1, 9.9]), and to have had pneumonia as a complication of measles (OR:7.1; 95% CI [2.0-24.8]). In the multivariable analysis, pneumonia as a measles complication remained a risk for death (OR: 7.1; 95% CI [1.4-35.3]). CONCLUSIONS: Implementing infection prevention and control practices, ensuring immunization of healthcare workers, and hospitalizing only severe measles cases may minimize the risk of nosocomial measles transmission. Implementing World Health Organization (WHO) recommendations for Vitamin A supplementation, improving immunization of children to prevent influenza, pneumococcal, and other bacterial respiratory diseases may decrease complications and deaths due to measles in Romania.
BACKGROUND: Case fatality ratio (CFR) among all age groups during the 2016-2018 measles outbreak in Romania was increased compared with previous outbreaks. To identify risk factors for measlesdeath, we conducted a case-control study among infants and children hospitalized for measles. METHODS: National surveillance data were used to identify hospitalized cases of laboratory-confirmed or epidemiologically linked measles in infants and children aged < 59 months with rash onset from January 2016 to July 2018. We abstracted medical records of 50 fatal cases ("cases") and 250 non-fatal cases ("controls") matched by age, sex, district of residence, and urban/rural place of residence. We calculated univariable and multivariable matched odds ratios (OR) and 95% confidence intervals (CIs) for risk factors. RESULTS: Ninety-three percent of case-patients and controls had not received a valid dose of a measles-containing vaccine; only 5 % received Vitamin A supplementation once diagnosed with measles. In the univariable analysis, cases were more likely than controls to have had a healthcare-related exposure to measles manifesting as inpatient admission for pneumonia during the 7 to 21 day measles incubation period (OR: 3.0; 95% CI [1.2, 7.2]), to have had a history of malnutrition (OR: 3.4; 95% CI [1.1, 9.9]), and to have had pneumonia as a complication of measles (OR:7.1; 95% CI [2.0-24.8]). In the multivariable analysis, pneumonia as a measles complication remained a risk for death (OR: 7.1; 95% CI [1.4-35.3]). CONCLUSIONS: Implementing infection prevention and control practices, ensuring immunization of healthcare workers, and hospitalizing only severe measles cases may minimize the risk of nosocomial measles transmission. Implementing World Health Organization (WHO) recommendations for Vitamin A supplementation, improving immunization of children to prevent influenza, pneumococcal, and other bacterial respiratory diseases may decrease complications and deaths due to measles in Romania.
Entities:
Keywords:
Measles; Mortality; Nosocomial transmission; Romania; Vaccine; Vitamin A supplementation
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