Challenges and opportunities for telehealth during the COVID-19 pandemic: ideas on spaces and initiatives in the Brazilian context.

COVID-19 has created enormous challenges for health systems worldwide, with the rapidly growing number of deaths and critical patients with pneumonia requiring ventilatory support. Alternative methods to control the spread of the disease such as social isolation, extreme quarantine measures, and contact tracing have been used around the world. However, these measures may not be totally effective to fight COVID-19, in step with the necessary national preparations to meet the new patient care demands.