Which gives rise to a runny nose, everyone knows from their own experience. If not from influenza or acute respiratory infections, then from a cold - supercooling of the body. And what is the purpose of a person's cold? If it exists soon, it means something is needed for it. Doctors have long noticed that a cold runny nose, not complicated by infection, lasts for some time. That's why they joke that untreated runny nose passes in three weeks, and treated runny nose - in twenty-one days*...

BEARS can have a runny nose too St. Petersburg vets clear GIANT bear sinuses with severe rhinitis Should have been hibernating