Coronaviruses are a group of related RNA viruses that cause diseases in mammals and birds. In humans and birds, they cause respiratory tract infections that can range from mild to lethal.

Dec 5, 2025 · Coronavirus disease (COVID-19) is an infectious disease caused by the SARS-CoV-2 virus. Most people infected with the virus will experience mild to moderate respiratory illness and …

Dec 18, 2025 · COVID-19 is a highly contagious respiratory disease. It spreads through respiratory droplets and airborne particles. It can be serious, especially for certain groups. Getting vaccinated is …

Mar 13, 2025 · COVID-19 is a highly contagious disease. Symptoms range from mild to severe. Most people recover within a few days. Some people stay unwell far longer with long COVID. Getting …

Updates and key information about COVID-19 from ABC News.

Aug 9, 2024 · COVID-19 is a disease caused by infection with a coronavirus called SARS-CoV-2. Common symptoms include fever, cough, sore throat and shortness of breath. Other symptoms …

COVID-19 is a contagious disease caused by coronavirus SARS-CoV-2. Read about how to avoid infection, when to get tested and treatment for COVID-19.

Dec 15, 2025 · We monitor and report on COVID-19 spread, vaccination and treatment. See the latest statistics for vaccination, treatments, case notifications, impact on hospitals, impact on residential …

Nov 27, 2025 · COVID-19 is caused by the SARS-CoV-2 virus, which spreads through the air in infectious respiratory particles from an infected person. Transmission is more likely in close contact …

Dec 12, 2025 · Find information on COVID-19, how to protect yourself and those around you, and the current situation in Australia.