crimean-congo hemorrhagic fever (cchf) by. dr.yasir baloch l&dddb quetta
TRANSCRIPT
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Dr. Muhammad Yasir
Topic: Crimean-Congo hemorrhagic fever (CCHP) Awareness
Submitted to : Animal Sciences Institute Principal L&DDDB Quetta.
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Introduction
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Geographical Distribution and Countries at risk
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Pakistan 2014 CCHF record Cases
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Transmission
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Pathogenesis
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Nucleolin is a protein (Receptor) that in humans only animals have no Nucleolin receptors that’s why no Signs and Symptoms.Following infection by a tick bite, the incubation period is usually one to three days, with a maximum of nine days.( or maximum of 13 days)with fever, myalgia, (muscle ache), dizziness, neck pain and stiffness, backache, headache, sore eyes and photophobia (sensitivity to light).
There may be nausea, vomiting, diarrhea, abdominal pain After two to four days. Tachycardia (fast heart rate) lymphadenopathy (enlarged lymph nodes) petechial rash ,
Ecchymosis, and other hemorrhagic phenomena. hepatitis, rapid kidney deterioration, sudden liver failure,pulmonary failure after the fifth day of illness.
The mortality rate from CCHF is approximately 30%, with death occurring in the second week of illness.
Signs and symptoms
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CCHF virus infection can be diagnosed by several different laboratory tests:
enzyme-linked immunosorbent assay (ELISA)Antigen detectionRT-PCR assayVirus isolation by cell culture
Tests on patient samples present an extreme biohazard risk and should only be conducted under maximum biological containment conditions. However, if samples have been inactivated (e.g. with virucides, gamma rays, formaldehyde, heat, etc.), they can be manipulated in a basic biosafety environment.
Diagnosis
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General supportive care with treatment of symptoms is the main approach to managing CCHF in people.
The antiviral drug ribavirin has been used to treat CCHF infection with apparent benefit. Both oral and intravenous formulations seem to be effective.
Treatment
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The tick vectors are numerous and widespread, so tick control with acaricides (chemicals intended to kill ticks) is only a realistic option for well-managed livestock production facilities.
Reducing the risk of tick-to-human transmission.
Reducing the risk of human-to-human transmission in the community.
Controlling infection in health-care settings.(Hospitals Health Care workers)
Prevention and control
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THANKS
THANKS