When a rhinovirus, the most frequent cause of the common cold, infects the lining of our nasal passages, our cells work together to fight the virus by triggering an arsenal of antiviral defenses. In a ...
Rhinovirus, computer illustration. The rhinovirus infects the upper respiratory tract and is the cause of the common cold. It is spread by coughs and sneezes. [Kateryna Kon / Science Photo Library / ...