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.
Chronic stress is a consistent sense of feeling pressured and overwhelmed for a long period of time. Learn about symptoms and treatment.
Fatigue is a common side effect of treatment for cancer. Learn more about symptoms and treatment.
Coronavirus is a term describes a family of viruses, common in both animals and humans.
COVID-19 is the disease caused by the SARS-CoV-2, the 2019 novel coronavirus.