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