Before revision: Social distancing measures Contact tracing Contact tracing involves identifying individuals with whom an infected person may have been in close contact, and notifying them that they may have been exposed to the infection.
After revision: upright=1.0|COVID-19 testingSocial distancing measures Contact tracing Contact tracing involves identifying individuals with whom an infected person may have been in close contact, and notifying them that they may have been exposed to the infection.