How Does Mumps Spread?

Mumps is transmitted primarily through saliva droplets inhaled or picked up from surfaces from an infected person^[1].

The infectious period for mumps is 2 days before the salivary glands swell up, to 5 days after the lumps have disappeared^[2].

1. National Health Service. (2021). 'Mumps Causes'. NHS. 24 September 2021. Available at: <https://www.nhs.uk/conditions/mumps/causes/>
2. Centers for Disease Control and Prevention. (2021). 'Mumps'. CDC. 8 March 2021. Available at: <https://www.cdc.gov/mumps/hcp.html>