👉 The term "Changchun virus" is a specific type of coronavirus that originated in Wuhan, China, and it has been closely linked to COVID-19 outbreaks around the world. It primarily affects respiratory systems, particularly those with compromised immune systems or older age groups. The virus spreads through close contact with infected individuals or through droplets released during coughing or sneezing. Symptoms typically include fever, cough, shortness of breath, and muscle aches. Early detection and treatment