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.
When blood clots form within blood vessels they can obstruct blood flow, which can cause blockages affecting the heart, lungs and other organs.
Pneumonia is an infection that inflames air sacs, which may fill with fluid, in the lungs. Learn about symptoms and treatment.
A virus that is transmitted to humans by the bite of infected ticks.
A rare and serious condition in which a pregnant or postpartum person suddenly has seizures. Eclampsia is a medical emergency and can lead to injury or death for the pregnant person and/or baby.
HIV is a retrovirus that impairs the immune system and causes AIDS. Learn about symptoms and treatment.