Linguist Education Online

Another coronavirus that caused an outbreak in the mid-2000s. Severe acute respiratory syndrome (SARS) was not as infectious as SARS-CoV-2, but it did have a much higher fatality rate.

The novel coronavirus that was first noticed in Wuhan, China, and is responsible for the current outbreak. The disease it causes is called COVID-19.

A separate, unrelated infection caused by another disease. Bacterial pneumonia is a secondary illness that can be caused by COVID-19.

To refrain from any contact with other individuals for a period of time (such as two weeks) during the outbreak of a contagious disease usually by remaining in one's home and limiting contact with family members. The verb is fairly recent, showing evidence of use only within the past 20 years or so. The noun has been in occasional use prior to this in the 20th century.

A survey that looks for immune cells in a person’s blood. Serological tests are a way to tell if someone was once infected with a disease and then got better. 

All residents must remain at their place of residence, except to conduct essential activities, essential businesses, and essential government functions.

The World Health Organization releases daily situation reports that track the spread of and fight against coronavirus across the world.

A stay at home order directs people to limit movements outside of their homes beyond essential needs. This limits social interactions to help prevent the spread of disease.

Also written as superspreader. An individual who is highly contagious and capable of transmitting a communicable disease to an unusually large number of uninfected individuals. The term for the spread of disease by super-spreaders is super-spreading.

Drinks that can be used in addition to meals to increase intake of calories and nutrients.

A person who may have a disease because of their symptoms and risk factors based on current guidelines. This person either had no test or an inconclusive test.