CCHF – Russia

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A patient, resident of the Arzgir district (Stavropol, Russia), has been with confirmed with a diagnosis of Crimean–Congo hemorrhagic fever (CCHF) after a tick bite.

Crimean-Congo hemorrhagic fever is a widespread disease caused by a tick-borne virus. In 2019, it was confirmed in at least 38 people in the Stavropol Territory. This report is the 1st case of 2020.

Prevention is by avoiding tick bites, but also agricultural, slaughterhouse, and veterinarians are at risk of catching the disease through contact with animals. Human-to-human transmission is also possible.

The virus is endemic and occurs frequently in the Stavropol region. It is also widespread in Asia, Eastern Europe, the Middle East, Africa and Madagascar.

The virus may have evolved around 1500–1100 BC. It is thought that changing climate and agricultural practices near this time could be behind its evolution. In 1944, Soviet scientists first identified the disease they called Crimean hemorrhagic fever in Crimea.

Photo: Hyalomma ticks are the principal vector of Crimean-Congo hemorrhagic fever.

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