Late Effects of Polio: The Medical. A. Polio: The Disease. Poliomyelitis (polio) is a viral illness that begins suddenly with flu-like symptoms of fever, headache, vomiting and/or diarrhea, muscle aching and feeling poorly.. The virus enters the body through the stomach and intestines.
Most crocodiles can sprint at a maximum speed of 6 to 7 miles per hour. The fastest crocodile on record was clocked at 11 miles per hour, during a full gallop. By contrast, top human race-walkers reach speeds of 8 miles per hour without breaking into a full run. Continue Reading.
Animals vs. Humans with 30+ answers. A reasonably athletic human (28 mph) can outrun a large alligator (25 mph) on land. Alligators are sprinters that never hunt far from water. They rely on surprise to capture prey. An alligator would really only land-chase a person who disturbed their nest, and then, not for very long.