As per a new study, the highly contagious novel coronavirus can remain viable and infectious in droplets in the air for hours and on surfaces up to days. This was confirmed by scientists from the National Institute of Allergy and Infectious Diseases, part of the US National Institutes of Health. Pursuant to the finding, the WHO is considering new ’airborne precautions’ for medical professionals.
Link to the study: https://www.nejm.org/doi/10.1056/NEJMc2004973