Occurrence of a particular disease in a large number of people in a particular area.

Showing no symptoms of a particular disease.

Change the steep upward curve on a graph of new disease cases to a flatter, shallower upward curve over a longer time period through measures such as social distancing.

The time from a person’s first exposure to a disease to the time when symptoms develop

A piece of fibre or cloth that fits over the nose and mouth to protect other people from the wearer's germs and/or the wearer from germs in the air.

The person identified as the first to become infected with a disease in an outbreak.

Practice of encouraging people to minimize contact and closeness, whether by banning large or even small groups/meetings, or by maintaining a minimum distance between people.

Isolate oneself; put oneself away from other people.

This is due to the 40-day isolation of ships and people practised as a measure of disease prevention related to the plague.