Rivers: Major rivers of North America. Rocky Mountains: The Rocky Mountains, about 3,000 miles in length, extend from the U.S State of New Mexico up through the western United States and on into the northernmost reaches of Canada's British Columbia. Major mountain ranges include...
Common cold accompanied by fever is usually caused by influenza virus. The incubation period of influenza virus depends on the severity of the attack that can be as short as 1 day to a stretched period of 7 days. However, the approximate incubation period is in the range of 1-3 days when caused by influenza virus.uthor Login. The incubation period of a cold ranges between 2-4 days, depending upon the severity of the viral attack. In some cases, it can be as short as 10 hours of infection and as long as 5-7 days. Read the article to know the details.
The incubation period is short: 2â5 days, with a range of 1â10 days. What are the symptoms of diphtheria? Early symptoms of diphtheria may mimic a cold with a sore throat, mild fever, and chills. Usually, the dis-ease causes a thick coating at the back of the throat, which can make it difficult to breathe or swallow.