A highly contagious virus that causes respiratory tract inflammation with cold-like symptoms
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.
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.
Coronavirus is a term describes a family of viruses, common in both animals and humans.