The common cold is a viral disease of the upper respiratory system, caused primarily by rhinoviruses and coronaviruses. Symptoms usually include a cough, sore throat, runny nose, and a fever. There is no known treatment to shorten the duration of the virus yet the cold normally dissipates after 7 to 10 days. It is the most common infectious disease in humans who on average are infected two to four times a year in adults. It can also be called a upper respiratory tract infection. Other...
- The deadly nightshade, Atropa Belladonna, which possesses stupefying or poisonous properties.
- A sleeping-potion; a soporific.
- To mutter deliriously.