Some Ransomware operators have stated that they will no longer target health and medical organizations during the Coronavirus (COVID-19) pandemic. They have also stated that if one of these organizations is encrypted by accident, they will provide a free decryptor. The Maze, DoppelPaymer, Ryuk, Sodinokibi/REvil, PwndLocker, and Netwalker infections have also said they do not target non-profits, hospitals, schools, or government agencies.
Source: https://www.bleepingcomputer.com/news/security/ransomware-gangs-to-stop-attacking-health-orgs-during-pandemic/