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What is the Schmallenberg virus?

What is the Schmallenberg virus, a new viral disease that affects ruminants of cattle, sheep, and goats, appeared in European countries, Germany, the Netherlands, Belgium, in October 2011?


As simple symptoms appeared in the form of high temperature, a weak appetite, a decrease in the rate of milk production, and diarrhea, and the affected animals were tested for most of the well-known diseases, and the result was negative. Disease and fetal abnormalities appeared mainly in lambs.


It was also detected in cows and goats, and the virus was isolated in December 2012 in the city of Schmallenberg, Germany, and the virus was named with the same name as the city in which the virus was discovered in Schmallenberg.


Geographical distribution of Schmalenberg disease

The disease appeared to spread in western Germany through the Netherlands and some areas in Belgium and northern France, and these days it appeared in England, where the virus appeared in nearly 70 farms.


Animals susceptible to being infected with the Schmalenberg virus

Up to this point, the virus has infected sheep, cows, and goats.


Methods of transmitting infection with the Schmalenberg virus

The group of viruses is an orthopedic virus that is transmitted through insects. It is believed that the Schmallenberg virus is also infected by insects, mosquitoes, and ticks. It is believed that the infection that appeared in England was due to the insect-carrying winds or by importing infected animals or carrying the disease.


Symptoms that appear on animals infected with Schmalenberg disease

  • The symptoms appear moderate to severe in adult cows where the symptoms appear in the form of fever and diarrhea. The rate of milk production decreases and the animals recover completely within a few days of infection.
  • The infection continues in cows from two to three weeks. Symptoms appear on newborn babies and on fetuses in the form of deformities, especially in the joints, spine, and brain, and some animals are born apparently healthy.
  • Symptoms of the disease appear in the form of blindness.
  • Inability to walk and nervous symptoms.
  • The inability to breastfeed and fetal deformities depends on the period of infection with the virus during pregnancy.


How dangerous the Schmalenberg virus is to humans

There has not been any danger or injury to humans from the Northenberg virus so far, but farm owners and veterinarians are always advised to take caution and take health precautions when dealing with any animals or miscarriages, as there is fear and anxiety because there are some viruses in the same group of the virus that infect humans, so care must always be taken Especially pregnant women when dealing with infected cows, fetuses and suckling calves.


How to treat Schmalenberg disease

There is no effective vaccination or treatment for the treatment or prevention of the Schmalenberg virus, as the disease is new and unknown at this point, but studies are still ongoing to try to control the disease. Diagnosis of the Schmalenberg virus.


Schmalenberg disease is not a duty to inform the authorities when cases with the disease appear, but veterinarians must be notified when any symptoms such as miscarriage, fetal anomalies, or neurological symptoms appear on newborn baby lambs, so that they take samples and send them to the specialized laboratories to isolate and diagnose the virus, where confirmation of the disease is diagnosed through The virus is detected by PCR analysis in the tissues, and there are no blood samples that help the analysis.