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Confidence votes 40.4K. The incubation period of the common cold is typically 36 to 48 hours, but, in some cases, symptoms can arise within 12 hours, or slightly less, of catching the virus.onfidence votes 40.4K. The incubation period of the common cold is typically 36 to 48 hours, but, in some cases, symptoms can arise within 12 hours, or slightly less, of catching the virus.
Depends on condition: Incubation period for common cold is. 2to3 days but sometimes symptoms can start after 12 hours as it depends on the virus. Same holds true for influenza average is 2 days. Other conditions like Pneumonia etc may have different incubation period. But on average most 2 to 3 days.