Cat scratch disease, Biology

Assignment Help:

Cat scratch disease


It is caused by Bortenella henselae, a gram-negative, non-motile bacterium. The organism is found in all parts of the world. The cat is an important reservoir host. Infectious agent is found in saliva of infected cats and may be transmitted to man through abrasion, scratch, lick or bite. It occurs more often in the winter. This disease may be more common in children because they play with cats and bitten or scratched  more frequently. The infection usually remains asymptomatic in cats and they may carry the organisms for months, once get infected. The disease is not contagious from person to person.


A blister or a small bump develops several days after the scratch or bite, which is called inoculation lesion that is most commonly found on the arms and hands, head, or scalp. Subsequently, one or more lymph nodes close to the area of the inoculation lesion swell and become tender. Other symptoms include rash on the skin, fever, sore throat, fatigue, loss of appetite, headache and anorexia. There may be an eye infection known as parinaud oculoglandular syndrome with symptoms including a small sore on the conjunctiva, redness of the eye, and swollen lymph nodes in front of the ear. The diagnosis is made on the basis of case history, isolation of organisms, demonstration of antibodies by ELISA and delayed type hypersensitivity by Hanger – Rose intradermal test. Public awareness and avoidance of contact with infected cats, through washing and care of any scratch from cat may help to reduce the risk of disease.


Related Discussions:- Cat scratch disease

Maintenance therapy for leukemia, Maintenance Therapy A complete remis...

Maintenance Therapy A complete remission implies a clinical, haematological and bone marrow remission.  For remission therapy drugs like, methotrexate cyclophospharnide and 6-

Explain the primary stain - ziehl-neelsen method, Explain the Primary Stain...

Explain the Primary Stain - Ziehl-Neelsen Method? Ordinary aqueous stains like methylene blue, crystal violet, etc. are not able to stain most of the species of Mycobacteria. C

Modern theory in biology, Modern Theory Naturalistic theory: Accordin...

Modern Theory Naturalistic theory: According to this theory Life originated upon our earth spontaneously from nonliving matter. But there are two significant points in this r

Deficiency diseases-evaluation of production diseases, Evaluation of produc...

Evaluation of production diseases Generally, production diseases are acute states and respond dramatically to administration of a deficient nutrient or metabolite. The nutriti

Calculate rate of heat removal per hour, Strawberries are quick frozen at a...

Strawberries are quick frozen at a rate of 6500 kg/h. The fruit enters the freezer at a temperature of 15°C and is frozen to a final temperature of -20°C. Calculate the rate of hea

Advantages and disadvantages in usage of solid fuels, Advantages (1)   ...

Advantages (1)   Liquid and gaseous fuels can be manufactured from solid fuels. (2)   Relatively cheap and easily available. (3)   These are easy to transport. (4)   A

Describe the advantages and disadvantages of insulin pump, Describe the Adv...

Describe the Advantages and Disadvantages of insulin pump Advantages - Insulin pumps deliver more precise amounts of insulin. This supports control over blood sugar level,

Explain briefly about the selenium toxicity, Explain briefly about the sele...

Explain briefly about the selenium Toxicity? There is a narrow margin between the beneficial and harmful intakes of selenium. The level at which selenosis occurs is not well-de

Mm, #questionmmmm

#questionmmmm

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd