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COVID-19 Infection

COVID-19 (Coronavirus Disease 2019) is a highly contagious respiratory illness caused by the SARS-CoV-2 virus, a novel coronavirus that emerged in late 2019. The infection primarily affects the respiratory system, but it can also involve multiple organ systems. COVID-19 ranges from mild upper respiratory symptoms to severe pneumonia, acute respiratory distress syndrome (ARDS), and multi-organ failure, especially in vulnerable individuals.

Common Symptoms

• Fever
• Dry cough
• Fatigue
• Sore throat
• Loss of smell (anosmia) and taste (ageusia)
• Shortness of breath
• Muscle aches
• Headache
• Diarrhea or nausea (in some patients)
• Rashes or skin discoloration (in children and some adults)

Severe Symptoms (Indicating complications)

• Difficulty breathing or shortness of breath
• Chest pain or pressure
• Confusion or altered mental status
• Bluish lips or face
• Low oxygen saturation

Prevention

• Vaccination (primary series + boosters as recommended)
• Wearing masks, especially in crowded or closed spaces
• Hand hygiene
• Physical distancing
• Avoid touching face
• Good ventilation