ObjectivesThe COVID-19 pandemic has brought significant changes to family life, society and essential health and other services. A rapid review of evidence was conducted to examine emerging evidence on the effects of the pandemic on three components of nurturing care, including responsive caregiving, early learning, and safety and security.DesignTwo academic databases, organisational websites and reference lists were searched for original studies published between 1 January and 25 October 2020. A single reviewer completed the study selection and data extraction with verification by a second reviewer.InterventionsWe included studies with a complete methodology and reporting on quantitative or qualitative evidence related to nurturing care during the pandemic.Primary and secondary outcome measuresStudies reporting on outcomes related to responsive caregiving, early learning, and safety and security were included.ResultsThe search yielded 4410 citations in total, and 112 studies from over 30 countries met our eligibility criteria. The early evidence base is weighted towards studies in high-income countries, studies related to caregiver mental health and those using quantitative survey designs. Studies reveal issues of concern related to increases in parent and caregiver stress and mental health difficulties during the pandemic, which was linked to harsher and less warm or responsive parenting in some studies. A relatively large number of studies examined child safety and security and indicate a reduction in maltreatment referrals. Lastly, studies suggest that fathers’ engagement in caregiving increased during the early phase of the pandemic, children’s outdoor play and physical activity decreased (while screen time increased), and emergency room visits for child injuries decreased.ConclusionThe results highlight key evidence gaps (ie, breastfeeding support and opportunities for early learning) and suggest the need for increased support and evidence-based interventions to ensure young children and other caregivers are supported and protected during the pandemic.

BackgroundMembers of the degenerin/epithelial (DEG/ENaC) sodium channel family are mechanosensors in C elegans, and Nav1.7 and Nav1.8 voltage-gated sodium channel knockout mice have major deficits in mechanosensation. β and γENaC sodium channel subunits are present with acid sensing ion channels (ASICs) in mammalian sensory neurons of the dorsal root ganglia (DRG). The extent to which epithelial or voltage-gated sodium channels are involved in transduction of mechanical stimuli is unclear.ResultsHere we show that deleting β and γENaC sodium channels in sensory neurons does not result in mechanosensory behavioural deficits. We had shown previously that Nav1.7/Nav1.8 double knockout mice have major deficits in behavioural responses to noxious mechanical pressure. However, all classes of mechanically activated currents in DRG neurons are unaffected by deletion of the two sodium channels. In contrast, the ability of Nav1.7/Nav1.8 knockout DRG neurons to generate action potentials is compromised with 50% of the small diameter sensory neurons unable to respond to electrical stimulation in vitro.ConclusionBehavioural deficits in Nav1.7/Nav1.8 knockout mice reflects a failure of action potential propagation in a mechanosensitive set of sensory neurons rather than a loss of primary transduction currents. DEG/ENaC sodium channels are not mechanosensors in mouse sensory neurons.

During the COVID-19 pandemic, there have been drastic changes in family life and programs and services that promote and protect early childhood development. Global stakeholders have raised concerns that the pandemic is putting enormous strain on parents and other caregivers, compromising capabilities and enabling environments for nurturing care of young children and therefore likely impacting children's development. This rapid review takes stock of emerging research on nurturing care for young children during the COVID-19 crisis. Two databases were searched in addition to an extensive search for grey literature, drawing on 112 scholarly and scientific studies from more than 30 countries that have examined components of nurturing care during the pandemic, namely: responsive caregiving, early learning and play, and children's safety and security. There are some reports of unexpected positive benefits of the pandemic on families, including increased father involvement in caregiving. But more commonly, the studies' findings reveal numerous issues of concern, including parental and caregiver mental health difficulties and less responsive parent and child relationships, increased screen time among children, limited opportunities for outdoor play, and fractured systems for responding to potential child neglect and maltreatment. Evidence suggests limited access and challenges in the provision of remote learning for the youngest learners, such as those in early childhood education. The findings can inform global stakeholders, who have advocated for increased support and funding to ensure young children and other caregivers are supported and protected during the COVID-19 pandemic. There is an urgent need for action-oriented implementation studies and those that go beyond identifying trends and begin to pinpoint "what works" to effectively promote and protect nurturing care during emergencies such as the COVID-19 pandemic.

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