The dangerous shark is just as rare as the nonaggressive shark. Obviously there are species which - simply due to their size - should only be approached with great caution, for body size is a problem when it comes to dealing with sharks.
A fever is a rise in body temperature. It's usually a sign of infection. The fever itself is generally harmless and probably helpful. Fevers usually don't need treatment. The average body temperature is 98.6 F (37 C).But normal body temperature can range between 97 (36.1) and 99 (37.2) or more.Your body temperature can vary depending on how active you are or the time of day. Generally, older people have lower body temperatures than younger people.evers usually don't need treatment. The average body temperature is 98.6 F (37 C). But normal body temperature can range between 97 (36.1) and 99 (37.2) or more. Your body temperature can vary depending on how active you are or the time of day.
A fever is a high temperature when the body's temperature rises above 37.5C (99.5F). The normal body temperature is between 36C-37C (96.8F-98.6F). The high temperature or fever often lasts around two to three days. Check for high temperature or fever using an appropriate thermometer and following the instructions.