Dangerous Asian ticks appeared in nine states

In nine states, a new type of tick appeared - which is the carrier of terrible diseases.

Фото: Depositphotos

An East Asian or long-tailed tick, Haemaphysalis longicornis, has been found in New Jersey, New York, Pennsylvania and six other states since its discovery in 2017, according to a November report from the Center for Disease Control and Prevention (CDC) 30 in November.

The CDC works with community, agricultural and academic experts to understand the possible threat associated with the spread of this dangerous tick.

In New Jersey, ticks were found in Bergen, Hunterdon, Mercer, Middlesex, Monmat and Somerset; Richmond, Rockland and Westchester in New York and Bucks in Pennsylvania, the report says.

Mite Haemaphysalis longicornis is a spreading virus of SFTS, which causes severe fever with thrombocytopenia syndrome (a condition characterized by a decrease in the number platelet count, which is accompanied by increased bleeding and problems with stopping bleeding), infection with this disease from ticks was recorded in some parts of China. In addition to fever and low platelets, people with SFTS can also develop gastrointestinal symptoms, decrease white blood cell count, and disrupt liver function. Up to 30,% of people with SFTS die, as a rule, due to the failure of several organs.

The East Asian tick also spreads bacteria: Rickettsia japonicathat can cause Japanese spotted fever; Theileria orientaliswhich can cause silyosis in cattle; and transfer some other microbes.

New Jersey law, which will require the state mosquito control commission to work on tick control, is under review. For this measure was voted in the Assembly, but it remains to vote in the committee in the Senate.

History of tick detection in the USA

1 August 2017, the owner of the 12-year-old Icelandic sheep, went to the health department of Hunterdon County (New Jersey) to show them a strange phenomenon: having shaved the animal, he discovered that his skin was covered with thousands of ticks.

The ticks found on the sheep belonged to the species. Haemaphysalis longicornisAlso known as the East Asian or Long-tailed Tick. They are usually found in East Asia (Russia, Japan, China and Korea), New Zealand, Australia and on several Pacific Islands (New Caledonia, Fiji, Western Samoa, Tonga, Vanuatu). But an infected sheep did not leave the territory of Hunterdon County, so scientists still do not know how ticks got into the United States.

After seeing the sheep, district health experts went to the farm where she lived to explore the area.

According to them, the number of mites in the pasture was so numerous that they began to crawl over the experts' pants only a few minutes after they arrived. On the body of each sheep were hundreds of ticks in all three stages of active life: larva, pupa, adult. The insects were mainly concentrated on the ears and the muzzle of the sheep, but at a lower concentration, the bloodsuckers spread throughout the body of the animals.

This was the first time that ticks in the USA lived in flocks, moreover, these insects reproduce in a non-sexually transmitted way.

In 2017, officials tried to eliminate ticks by washing sheep with chemicals, mowing high grass in the area and introducing additional control over the spread of ticks. They hoped that this species of ticks would not survive the winter. However, on April 20, the New Jersey Department of Agriculture announced that, despite the cold winter, a new species of ticks still occurs.

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