COVID-19 pandemic
- COVID-19 is a highly contagious respiratory disease caused by the SARS-CoV-2 virus.
- The virus has caused a global pandemic, with over 676 million confirmed cases and over 6.8 million deaths as of March 2023.
- The disease is mainly transmitted through the respiratory route when people inhale infected droplets and small airborne particles.
- Symptoms of COVID-19 vary, ranging from mild to severe illness.
- The standard method of testing for COVID-19 is a nucleic acid test, which detects the presence of viral RNA fragments.
- Preventive measures to reduce the chances of infection include getting vaccinated, staying at home or spending more time outdoors.
- Vaccines are intended to provide acquired immunity against SARS-CoV-2, the virus that causes COVID-19.
- For the first two years of the pandemic, no specific and effective treatment or cure was available.
- Supportive care in severe cases includes treatment to relieve symptoms, fluid therapy, oxygen support and prone positioning.
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