symptoms of rabies, what causes rabies, rabies vaccine, rabies cats, rabies pictures, rabies shots, rabies dogs, rabies history

Rabies is a viral disease that causes acute encephalitis in warm-blooded animals.It is zoonotic , most commonly by a bite from an contaminated animal but sometimes by other forms of contact. Rabies is almost inevitably fatal if post-exposure prophylaxis is not implemented prior to the onset of severe symptoms. The rabies virus infects the central anxious system, eventually causing disease in the brain and death. The earlier indicators of rabies in people are similar to that of many other health problems, including fever, headache, and general listlessness or discomfort. As the illness progresses, more specific symptoms seem and may include insomnia, anxiety, confusion, slight or partial paralysis, excitation, hallucinations, agitation, hypersalivation, difficulty swallowing, and hydrophobia (fear of water). Death usually occurs within days of the onset of these symptoms.

The rabies virus journeys to the brain by following the peripheral nerves. The incubation period of the disease is usually a few months in humans, depending on the distance the virus must travel to reach the central nervous system.Once the rabies virus reaches the central nervous system and symptoms begin to show, the infection is successfully untreatable and usually fatal within days.
Early-stage symptoms of rabies are malaise, head ache and fever, progressing to acute pain, violent movements, unrestrained excitement, depressive disorders, and hydrophobia.Finally, the patient may experience periods of mania and lethargy, eventually leading to coma. The primary cause of death is usually respiratory insufficiency. Worldwide, the vast majority of human rabies cases (approximately 97%) come from dog bites. In the Usa, however, animal control and vaccination programs have effectively eliminated domestic dogs as reservoirs of rabies. In several countries, including the Uk, Estonia and Japan, rabies carried by animals that live on the ground has been eradicated entirely. Concerns exist about airborne and mixed-habitat animals including bats. Bats in the U.K. and in some other countries carry European Bat Lyssavirus 1 and European Bat Lyssavirus 2. The symptoms of these viruses are similar to those of rabies and so the viruses are both known as bat rabies. An unvaccinated Scottish bat handler died from an EBLV infection in 2002.

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bacteriology, examine, microorganisms, bacteriology the examine of microorganisms , bacteriology the study of bacteria

Bacteriology is the study of microorganisms. It includes the identification, classification and characterization of microbial species. Bacteria are identified by their properties, for example their looks, what nutrients they can grow on or not grow on, what temperature they require for growth, what substances they produce, etc. To study morphology, that is the shape of bacteria, a microscope is used. Go to our Special Feature Exhibit on bacterial morphology to learn all about the various shapes of bacteria, both under the microscope and visible by the naked eye. The Gram-stain is one of the commonest discoloration methods used to visualize microorganisms.

If you are not sure what bacteria are, check our exhibit on bacteria first.

In order to study their components, bacteria are grown in a clinical under cautiously controled conditions using a number of well defined growth media. The work is done under otherwise sterile conditions. Without such precautions unwanted microorganisms will grow everywhere, including on our media. All apparatus is made sterile by heat or irradiation. Learn more about sterilizing procedures and their uses. One way to prevent growth of bacteria is pasteurization. This relatively gentile heat treatment is often applied to foods and drinks. The procedure is named after its inventor, Louis Pasteur, who was one of the founders of modern bacteriology.

Bacteriology is studied in a clinical. But it is possible to do a few do-it-yourself experiments without much requirements. Have fun isolating bacteria from Limburger cheese. Here you can find more suggestions for experiments, or use our list of academic resources to convince your teacher to include these studies in classes. Have fun!

Bacteriology is a subdivision of microbiology. Other micro-organisms studied in microbiology are yeast, molds, and viruses. Our museum deals exclusively with microorganisms. Check which micro-organisms are not included. Applied bacteriology is a branche of bacteriology with awareness in industrial use of bacteria. This subject is so diverse that it is covered in a different exhibit: applied bacteriology.

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