Q fever or QUERY FEVER
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Q fever is a zoonotic bacterial infection caused by Coxiella burnetii that is distributed worldwide. It mainly affects people exposed to livestock like cattle, sheep and goats. The bacteria is shed in feces, urine and birthing fluids of infected animals. People typically contract Q fever through inhalation of contaminated dust. The incubation period is usually 2-3 weeks. Clinical symptoms include fever, chills, headache and pneumonia-like illness. Treatment involves prolonged doses of doxycycline. Preventive measures center around pasteurizing milk, sanitary livestock housing and vaccination of at-risk workers.
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It is all about topic of obg for new semester students Q fever or QUERY FEVER
- 1. Q FEVER AASTHA MISHRA MEDICAL STUDENT GOVERNMENT DHARMAPURI MEDICAL COLLEGE
- 2. SYNOPSIS INTRODUCTION DISTRIBUTION AGENT FACTORS MODE OF TRANSMISSION INCUBATION PERIOD CLINICAL FEATURES CONTROL MEASURES
- 3. INTRODUCTION Q FEVER or QUERY FEVER is also an RICKETTSIAL ZOONOTIC DISEASE An uncommon bacterial bacterial infection It can be acute or chronic
- 4. DISTRIBUTION Q FEVER is a highly infectious zoonotic disease with world-wide distribution It occurs mainly in persons associated with sheep, goats, cattle or other domestic animals
- 5. AGENT FACTORS AGENT The causative agent is Coxiella burnetii RESERVIORS TICKS , both vectors as well as reservoirs ANIMAL HOSTS Cattle, sheep, goats, ticks and some wild animals * Infected animals shed the disease agent in the faeces and urine contaminate soil * The placenta of infected cows and sheep contains infectious agent creates infectious aerosols during parturition * camels , dogs, horses & many other domestic animals capable of acting as MAINTENANCE HOST
- 6. MODE OF TRANSMISSION Q FEVRER no arthropod involved in transmission to man. TRANSMISSION results from : 1) Inhalation of infected dust from soil previously contaminated by urine or faeces of diseased animal. 2)The organism can also gain entry into the body through abrasion, conjuctivae or ingestion of contaminated food such as meat, milk & milk products.
- 7. INCUBATION PERIOD Usually 2 to 3 weeks .
- 8. CLINICAL FEATURES Acute onset with fever, chills, general malaise & headache. Clinical picture is one of influenza or non-bacterial pneumonia rather than a typhus fever. No rash or local lesion. It can cause pneumonia , hepatitis, encephalitis & rarely endocarditis.
- 9. CONTROL MEASURES TREATMENT:- Chronic Q fever- Prolonged treatment for 18 months or longer Drug of choice - DOXYCYCLINE
- 10. CONTROL MEASURES PREVENTIVE MEASURES:- Pasteurization or boiling of milk Providing sanitary cattle sheds Adequate disinfection & disposal of products
- 11. CONTROL MEASURES VACCINE:- Inactivated Coxiella vaccine to protect occupationally exposed workers. Several purified vaccines are under development.
- 12. Thank you LIVE EVERYDAY LIKE THERE IS NO TOMORROW