covid

pandemic

existing in almost all of area or in all of a group of people animal or plants

zoonosis

a disease that can spread from animals to humans

outbreak

a time when something suddenly begins especially a disease or something else dangerous or unpleasant

quarantine

a period of time during with an animal or person that might have a disease is kept away from other people or animals so that the disease cannot spread

vaccine

a substance containing a virus or bacterium in a form that is not harmful given to a person or animal to prevent them from getting the disease that the virus or bacterium causes

immunity

a situation in which you are protected against disease or from legal action

panic buying

a situation in which many people suddenly buy as much food fuel as they can because they are worried about something bad that may happened