Dengue hemorrhagic fever is a severe, potentially deadly infection spread by some mosquitos. The dengue virus is transmitted by mosquitoes. Symptoms of Dengue hemorrhagic fever are fever that lasts from 2 to 7 days, Vomiting blood, Drowsiness, Bleeding from nose or gums.
Dengue hemorrhagic fever is caused by a virus for which there is no known cure or vaccine. Only treatment is to treat the symptoms, helping body to heal naturally. Major Research to cure the disease various researches includes means of vector control, vaccine development, and antiviral drugs are going on in Poland.
Sixty cases meeting the case definition were reported in 2001, and 265 cases were reported in 2002. Case reports rose continuously from 14 cases in the first quarter of 2001 to 89 cases in the second quarter of 2002. In both years, 59% of cases were male.