Crimean-Congo hemorrhagic fever is a viral disease transmitted by ticks that feed on infected animals. It was first identified separately in Crimea in 1944 and Congo in 1956 before the virus was recognized as the same pathogen. The document warns of increased risk of the disease during Eid-ul-Azha celebrations in Pakistan, as it can spread through tick bites or contact with infected blood or body fluids of humans. Initial symptoms include fever, muscle aches and headaches. Hospital staff are also at higher risk of infection when treating patients with the disease. The document provides safety tips such as wearing protective clothing, applying insect repellent, showering after exposure and frequent hand washing.