BackgroundZika virus (ZIKV) infection is an emerging mosquito-borne disease, which is associated with an increase in central nervous system malformations and newborn microcephaly cases. This review investigated evidence of breastfeeding transmission from ZIKV-infected mothers to their children and the presence of ZIKV infection in breastfeeding-related fluids.Methodology/Principal findingsWe conducted a systematic review of observational studies, case studies, and surveillance reports involving breastfeeding women with ZIKV infection in several international databases. Data extraction and analysis were conducted following a PROSPERO-registered protocol. From 472 non-duplicate records, two case reports met criteria for inclusion. We reviewed three cases of ZIKV infection among lactating mothers near the time of delivery. Two of the three (2/3) associated newborns had evidence of ZIKV infection. ZIKV was detected in breast milk of all three mothers. Breast milk detection results were positive in all mothers (3/3) by RT-PCR, one was positive by culture (1/3), and none was tested for ZIKV-specific antibodies. Serum samples were ZIKV positive in all mothers (3/3), and sweat was not tested for ZIKV.Conclusions/SignificanceWe describe three cases of ZIKV-infected breastfeeding mothers who were symptomatic within three days of delivery, and two cases with ZIKV-infected newborns. While ZIKV was detected in the breast milk of all three mothers, the data are not sufficient to conclude ZIKV transmission via breastfeeding. More evidence is needed to distinguish breastfeeding transmission from other perinatal transmission routes.
The World Health Organization (WHO) acknowledged that, as health services divert their attention to the COVID-19 pandemic, the delivery of essential nutrition services may be compromised. This impact may be more pronounced in the context of humanitarian crises, such as the one currently unfolding in Yemen. In line with Pillar 9 of the WHO’s COVID-19 Strategic Preparedness and Response Plan, this paper reports on the nutrition program adaptations in Yemen to maintain the delivery of essential nutrition services to under-five children. The process of adaptation focused on the services provided within the nutrition surveillance system (NSS), therapeutic feeding centers (TFC), and isolation units (IU). It was conducted in five steps: (1) situation analysis; (2) development of guidance documents; (3) consultation process; (4) capacity-building programs; and (5) incorporation of programmatic adaptation within nutrition services. As of September 2020, NSS, TFC, and IUs services have shifted their standard operating procedures in line with the context-specific adaptations. The process described in this paper may serve as a case-study for other countries that intend to undertake similar adaptations in their nutrition program to contribute to the implementation of the WHO response plan and maintain the delivery of essential nutrition services to children.
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