Belgrade is the capital and largest city of Serbia. One of the oldest cities in Europe. The first settlements in the Belgrade area date from prehistoric Vinca, 4800 BC. Belgrade itself was founded by the Celts in the 3rd century BC. e, before becoming the Roman settlement of Singidunum. [2] [3] The Slavic name Beligrad (slov.
Symptoms usually appear 1 to 3 days after exposure. Influenza symptoms can include a sudden onset of fever, headache, chills, cough, sore throat, and body aches.Diarrhea is not common.Although most people are ill for less than a week, some people have complications and may need to be hospitalized.nfluenza symptoms can include a sudden onset of fever, headache, chills, cough, sore throat, and body aches. Diarrhea is not common. Although most people are ill for less than a week, some people have complications and may need to be hospitalized.
People also catch the flu by touching surfaces with the virus on them and then touching their eyes, nose or mouth. After exposure to the flu virus, many people begin to experience symptoms within one to seven days. The flu often spreads rapidly within groups, reports MedlinePlus. Once it arrives in a school, students get sick within two to three weeks. A high fever, between 102 and 106 degrees Fahrenheit, is often the first sign of the flu.