Since it is viral, antibiotics don't work. Management focuses on rest, hydration, and over-the-counter symptom relief. 2. Physical Cold (Science) In physics, "cold" is the absence of thermal energy (heat).
It spreads through airborne droplets or by touching contaminated surfaces.
The common cold is a viral infection of the upper respiratory tract. It is most often caused by . Symptoms: Sore throat, runny nose, coughing, and sneezing.
Cold temperatures are essential in modern life for food safety and the storage of medical supplies like vaccines. 3. The Cold War (History)
The theoretical limit of cold is 0 Kelvin (-273.15°C), where all molecular motion stops.