Crimean-Congo hemorrhagic fever – Russia

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July 7th, 2021 – (date of outbreak not specified) – Fourteen cases of Crimean-Congo Hemorrhagic fever have been reported in Stavropol, Russia. No deaths have been reported and source does not identify patient demographics.

Crimean-Congo Hemorrhagic fever is a virus that is transmitted from tick-bites. Transmission mode is either from contact with the blood or tissue of an infected animal or a direct tick-bite on a human. Individuals who work closely with livestock are at an increased risk, which is suspected to be the case for the fourteen infected individuals.

Symptoms of Crimean-Congo Hemorrhagic fever include severe viral hemorrhagic fever, according to the source. Case fatality rate ranges from 10% to 40%.

Officials encourage Stavropol residents to practice safety precautions when participating in outdoor activities. This includes checking the body for ticks after outdoor activities and seeking emergency medical treatment when a tick is detected on the body.

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

Crimean-Congo hemorrhagic fever is a disease caused by a tick-borne virus. The virus is widespread in Asia, Eastern Europe, the Middle East, Africa and Madagascar.

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 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.

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