Coronavirus is a term describes a family of viruses, common in both animals and humans.
Long COVID refers to new or recurring symptoms that occur four or more weeks after an infection with SARS-CoV-2, the virus that causes COVID-19.
COVID-19 is the disease caused by the SARS-CoV-2, the 2019 novel coronavirus.
The common cold is probably the most universal illness. It is a viral infection of the upper respiratory tract, which includes the nose and throat area.
A respiratory infection that mainly affects children and causes a barking cough, hoarseness, and breathing difficulties.