Small steps, strong shield: directly measured, moderate physical activity in 65 361 adults is associated with significant protective effects from severe COVID-19 …

L Steenkamp, RT Saggers, R Bandini… - British journal of sports …, 2022 - bjsm.bmj.com
Objective To determine the association between directly measured physical activity and
hospitalisation, intensive care unit (ICU) admission, ventilation and mortality rates in patients …

A costing model for the South African social assistance system

MBJ Carswell, R Harris, TL Brand, S Mehta… - Development …, 2021 - Taylor & Francis
An effective social assistance system needs to be sustainable and affordable and needs to
provide good coverage and adequate benefits. The authors' model to forecast the cost of the …