Implications for sustainable healthcare operations in embracing telemedicine services during a pandemic.

Technological interventions in the healthcare sector, namely, telemedicine services, have helped the government and people in these extraordinarily challenging times of ongoing COVID-19 pandemic. We identify and group key success factors relevant to telemedicine services under 7 contextual criteria. Furthermore, we explore the causal relations among them using the decision-making trial and evaluation laboratory (DEMATEL) method.

A capacitated multi pickup online food delivery problem with time windows: a branch-and-cut algorithm.

Online food delivery companies, nowadays, allow a customer to place an order for a combination of dishes from one or more restaurants. To meet a customer's demand, the company then arranges for the pickups from different restaurants, perhaps located distantly, before delivering them to the customer. The company caters to a set of such customers, through a fleet of capacitated vehicles.

The interplay of circular economy with industry 4.0 enabled smart city drivers of healthcare waste disposal.

Generation of healthcare waste from different patient care activities in hospitals, pathology labs and research centres has been a matter of great concern for environmental and social bodies across the world. This concern comes from its infectious and hazardous nature which brings life taking disease such as human immunodeficiency virus and Hepatitis-B. Moreover, with the outbreak of corona virus disease 2019 (COVID-19) pandemic across the world, healthcare waste has become even more infectious like never before and showing its potential for claiming lives if not disposed properly.

Etiology and Risk Factors Determining Poor Outcome of Severe Pneumonia in Under-Five Children.

Objectives: To determine the etiology of severe pneumonia (pneumonia with chest indrawing) in under-five children, and to study the risk factors for poor outcomes viz., 'treatment failure', 'need for change in antibiotics', 'prolonged hospital stay', 'need for mechanical ventilation' and 'mortality.'

Methods: Children (age 2 mo to 5 y) with pneumonia and chest drawing were enrolled prospectively from October 2012 through September 2013.