👉 The Björn virus is a type of viral infection that affects the respiratory tract in humans. It primarily targets cells in the lungs and causes inflammation, leading to symptoms such as coughing, wheezing, and difficulty breathing.
👉 The Björn virus is a type of viral infection that affects the respiratory tract in humans. It primarily targets cells in the lungs and causes inflammation, leading to symptoms such as coughing, wheezing, and difficulty breathing.
