Coronaviruses are a large family of viruses that can cause a range of illnesses, including the common cold to more severe disease. Currently, a novel coronavirus, SARS-CoV-2, is spreading across the globe, causing a new coronavirus disease, or COVID-19. Here's what to know about the novel coronavirus, including the disease's symptoms, transmission, and severity.
photo illustration of negative covid-19 test surrounded by two peanut butter sandwhiches
People With Food Allergies May Have Lower Risk of COVID-19 Infection
Young Scientist Working in The Laboratory test SARS-COV-2 pcr diagnostics kit.
Why Are There So Many Omicron Subvariants—And What Can They Tell Us About the Future of the Pandemic?
Hands holding thermometer to sunlight
Omicron Infection Timeline: When Symptoms Start and How Long They Last