CMV on surfaces in homes with young children: results of PCR and viral culture testing

Autor: Minal M. Amin, Jennifer D. Stowell, William Hendley, Philip Garcia, D. Scott Schmid, Michael J. Cannon, Sheila C. Dollard
Jazyk: angličtina
Rok vydání: 2018
Předmět:
Zdroj: BMC Infectious Diseases, Vol 18, Iss 1, Pp 1-7 (2018)
Druh dokumentu: article
ISSN: 1471-2334
DOI: 10.1186/s12879-018-3318-z
Popis: Abstract Background Caring for young children is a known risk factor for cytomegalovirus (CMV) infection mainly through exposure to their saliva and urine. In a previous study, 36 CMV-seropositive children 2 mo. to 4 years old were categorized as CMV shedders (n = 23) or non-shedders (n = 13) based on detection of CMV DNA in their saliva and urine. The current study evaluated the presence of CMV on surfaces in homes of the children. Methods Study staff made 4 visits to homes of the 36 enrolled children over 100 days. Saliva was collected by swabbing the mouth and urine was collected on filter paper inserted into diapers. In addition, five surface specimens were collected: three in contact with children’s saliva (spoon, child’s cheek, washcloth) and two in contact with children’s urine (diaper changing table, mother’s hand). Samples were tested by PCR and viral culture to quantify the presence of CMV DNA and viable virus. Results A total of 654 surface samples from 36 homes were tested; 136 were CMV DNA positive, 122 of which (90%) were in homes of the children shedding CMV (p
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