ylähengitystieinfektio
Ylähengitystieinfektio, commonly known as an upper respiratory tract infection, refers to an illness affecting the nasal passages, throat, larynx, and sometimes the trachea. These infections are typically caused by viruses, with rhinoviruses being the most frequent culprits. Bacteria can also cause these infections, though less commonly. Symptoms often include a runny or stuffy nose, sore throat, coughing, sneezing, mild fever, and general malaise. The incubation period varies depending on the specific pathogen but is generally short, ranging from a few days to a week.
Transmission usually occurs through respiratory droplets expelled when an infected person coughs, sneezes, or talks, or