Experts warn that COVID-19 screening tools are not foolproof

Apps that check symptoms and fever-screening cameras may offer solutions to help prevent the spread of the novel coronavirus in workplaces, but they aren't foolproof. “I think employers need to look carefully before they jump into any of this,” said Michael T. Osterholm, the director of the Center for Infectious Disease Research and Policy at the University of Minnesota. “Some companies are embarking upon things that are not going to help and may actually set us back.”