n a Doctor of Veterinary Medicine (DVM), who is educated and trained to provide medical and surgical care for domestic and exotic animals. a person trained and authorized to practice veterinary medicine and surgery; a doctor of veterinary medicine.
The infections to take affect or how long it takes to catch cold may vary from person to person. A person with a weak immune system is prone to get infected very easily and very fast. The symptoms of cold may also show on him soon. For a normal healthy person it usually takes three to five days. While usually it can take 9 hours totally depending on the kind of virus that caused it.
A general rule of thumb is to ice an injury over a period of 24 to 72 hours. Apply cold packs for periods of up to 20 minutes every two to four hours. When your skin starts to feel numb, it's time to give your body a break from a cold pack.