👉 Nairoviruses are a group of viruses that belong to the family of Retroviridae, which includes many types of viruses that cause respiratory diseases. They have been found in various animal species and can infect humans, leading to respiratory infections such as pneumonia, bronchitis, and influenza. Nairovirus causes respiratory distress syndrome (RDS), a severe and life-threatening condition characterized by fever, coughing, difficulty breathing, and shortness of breath.