Learn vocabulary, terms, and more with flashcards, games, and other study tools. Bacteria or other infectious agents that cause harm to their human hosts are. Antibiotics are used to treat bacterial infections. A variety of these do not cause any infections and are known as good bacteria. Fungi are simple plants that are parasitic on other plants and animals.
List of human diseases caused by bacteria,virus,fungi. The specific bacteria that cause bacterial meningitis vary based on the age of the infected person. Bacterial diseases include any type of illness caused by bacteria. Salmonella infection symptoms and causes mayo clinic. It is often difficult to determine the cause of fungal diseases, because bacteria cause a secondary infection and are often erroneously identified as fungi. Typically, the growth of these microorganisms is favored by particular soil characteristics and may involve complex life cycles including amoebae or animal hosts. Soilrelated bacterial and fungal infections american. Every living thing, both plants and animals, can succumb to disease.
Gram staining is the application of a crystal violet dye to a culture of bacteria. Microbiological classification of infectious diseases. A disease is a condition that impairs the proper functioning of the body or of one of its part. Human diseases pdf download notes for ssc cgl 2017,upsc,nda. Fungal diseases are caused by fungi, which are small organisms. A disease caused by a strain of streptococcus that produces an erythrogenic toxin leading to the development of a red rash and a strawberrycolored tongue. Some infected persons, however, may have no symptoms at all. Found mostly in water or soil, favored by free water. This pathogen is inhaled into the lungs, where its growth triggers an immune response that can destroy large areas of. National institute of allergy and infectious diseases. Common bacteria that cause diarrhea include campylobacter, escherichia coli e. Bacterial diseases occur when pathogenic bacteria get into an area of the body that is normally sterile, such as the bladder, or when they crowd out the helpful bacteria in places such as the intestines, vagina or mouth. List human diseases caused by bacteria, virus, fungi, and protozoa hello friends welcome to. People with anaplasmosis will often have fever, headache, chills, and muscle aches.
There are a number of bacteria found in the human body. List of diseases caused by bacteria and viruses in humans. Acne vulgaris or simply acne or pimples propionibacterium acnes. In this article, weve covered the 11 most common waterborne diseases, their symptoms and causes, along with which purification method can best eliminate them. These bacteria are spread to people by tick bites primarily from the blacklegged tick ixodes scapularis and the western blacklegged tick ixodes pacificus. Common pathogenic bacteria and the types of bacterial diseases they cause include.
Lesson summary bacterial diseases microorganisms that cause diseases are known as pathogens. Define emerging disease and explain why emerging diseases are a threat to human health. Understanding microbes in sickness and health scholarworks. In humans, the bacteria are often present in parts of the digestive tract where they do not generally cause problems. Learn more about types of bacterial disease and the mechanism by which bacteria cause illness. Chemical control strategies that may be required are updated annually in the osu extension agents handbook of insect, plant disease and weed control circular e832. Osu extension agents handbook of insect, plant disease. Common diseases of tomatoes part ii diseases caused by. Bacteria that retain the color of the dye are called gram positive.
Most human infections in world today are either caused by viruses or bacteria. Some microbes cause disease in humans, plants, and animals. Klebsiella is a type of bacteria commonly found in nature. Skin disease that occurs when hair follicles become clogged with dead skin cells and oil from the skin. For adults and adolescents, neisseria meningitidis and streptococcus pneumoniae are the most common causes of the disease. Here presented the list of diseases caused by bacteria and viruses in humans.
This list is very important for one day exams and upsc exams. In this manual infectious agents which cause infection and illness are called pathogens. To reduce that burden an integrated approach is required, combining health promotion, disease prevention and patient treatment. Bacterial diseases were once leading causes of death. Produce toxins or other agents that cause host harm. Bacteria diseases, viral diseases, fungus diseases, protozoa diseases list of human diseases caused by bacteria,virus,fungi,protozoa psc online book. Infectious diseases bacteria are classified by their gram stain characteristics. Bacterial disease, any of a variety of illnesses caused by bacteria. Infections and infectious diseases are a great burden on many societies, including the countries in the who european region. Typhoid is a bacterial infection that can be fatal if not treated quickly with antibiotics. Bacterial meningitis can be caused by a number of bacteria.
Bacterial diseases bacterial infection symptoms, causes. Although most bacteria are harmless or often beneficial, some are pathogenic, with the number of species estimated as fewer than a hundred that are seen to cause infectious diseases in humans. The disease state caused by a virus enables normally harmless bacteria to become pathogenic. Antibiotics are used successfully to control bacteria. List of human diseases caused by bacteria and viruses. By contrast, several thousand species exist in the human.
Gut bacteria play an important role in human health, such as supplying essential nutrients, synthesizing vitamin k, aiding in the digestion of cellulose, and promoting angiogenesis and. Typhoid fever is a lifethreatening illness caused by the bacterium salmonella typhi. A variety of classic and emerging soilrelated bacterial and fungal pathogens cause serious human disease that frequently presents in primary care settings. The pathogens responsible for these diseases come in the form of viruses, bacteria, or protozoa, all of which are invisible to the naked eye. Salmonella infection salmonellosis is a common bacterial disease that affects the intestinal tract. Bacterial diseases bacteria are microscopic, singlecelled organisms bacte. Bacterial diseases in humans biology 2e bc open textbooks. Gut bacteria are an important component of the microbiota ecosystem in the human gut, which is colonized by 10 14 microbes, ten times more than the human cells. Infections and infectious diseases whoeurope world health. Report the common viral diseases spread by airborne. In the united states, klebsiella pneumoniae and klebsiella oxytoca are the two strains responsible for most human illnesses.
In humans, it can cause a wide range of symptoms, some of which may be mistaken for other diseases. Several types of bacteria can enter your body through contaminated food or water and cause diarrhea. Salmonella bacteria typically live in animal and human intestines and are shed through feces. Harmful bacteria may also emit toxins that damage the body.
It is caused by bacteria called mycobacterium tuberculosis and mostly infects bones, lungs, brain, and the abdomen. During that period many of the bacteria that cause human disease were identified and characterized. Bacterial diseases are caused by harmful bacteria pathogenic bacteria. One example of a bacterial pathogen that damages host tissue is the bacterium that causes tuberculosis. If the organism can cause infection, it is an infectious agent. A number of significant pandemics caused by bacteria have been documented over several hundred years. Gk, general studies, optional notes for upsc, ias, banking, civil services. New anaerobic bacterial species in human infections. Microbes cause disease in the course of stealing space, nutrients, andor.
The bacteria that cause diseases in human are called harmful bacteria. Diseases caused by bacteria cholera vibrio cholerae anthrax bacillus anthrasis diphtheria corynebacterium diphtheriae leprosy mycobacterium leprae botulism clostridium botulinum syphilis treponema pallidum tetanus clostridium tetani trachoma chlamydia trachomatis tuberculosis mycobacterium tuberculosis typhoid fever salmonella typhi. Human diseases pdf download notes for ssc cgl 2017,upsc,nda,cds. Pathogenic bacteria are bacteria that can cause disease. Anaplasmosis is a disease caused by the bacterium anaplasma phagocytophilum. Drugresistant tb pathogen page pdf icon pdf 2 pages. Many klebsiella infections are acquired in the hospital setting or in long. The gram stain attaches to peptidoglycan in the bacterial cell. The vast majority of bacteria do not cause disease, and many bacteria are actually helpful and even necessary for good health. Bacterial diseases information including symptoms, diagnosis, treatment, causes, videos, forums. Pdf microbes are called diseasecausing microbes and can make. Leptospirosis is a bacterial disease that affects humans and animals. Human diseases caused by bacteria flashcards quizlet. They are caused by some genetic abnormality or metabolic disorder or malfunctioning of an organ.
A virus is micro organism, it is usually very difficult to kill. Chapter 2 disease and disease transmission an enormous variety of organisms exist, including some which can survive and even develop in the body of people or animals. People, for example, are often infected by bacteria, but bacteria. Erythrogenic toxin a secretion, produced by some strains of streptococci, that causes the red rash of scarlet fever. Identify bacterial diseases that caused historically important plagues and. List human diseases caused by bacteria, virus, fungi, and. The prerequisite for success in this fight is the participation of all health care professionals. List human diseases caused by bacteria, virus, fungi, and protozoa. Caused by human immunodeficiency virus hiv rna virus family retroviridae. Impacts of gut bacteria on human health and diseases.
Read on to explore the bacterial diseases in humans caused by the harmful bacteria along with the causes and symptoms. Microbes or microorganisms diseases caused by microorganisms diseases caused by bacteria, viruses, protozoans and fungi. Bacterial diseases occur when pathogenic bacteria get into the body and begin to reproduce and crowd out healthy bacteria, or to grow in tissues that are normally sterile. Humans become infected most frequently through contaminated water or food. Pdf pathogenesis of bacterial infection researchgate. Ncert science textbooks class 612, wikipedia microbes or microorganisms microorganisms include bacteria, fungi, protozoa, some algae, viruses, viroids and also prions that are proteinacious infectious agents. Pdf in this book we would focus on how bacterias causes disease to human beings. It has been said that they can resist up to 1,000 times the antibiotic concentrations used to kill the same bacteria when they are free living or planktonic. Here we are sharing list of all diseases caused by various bacteria,protozoa and viruses. Viral gastroenteritis is a common cause of acute diarrhea. Important diseases and causative agents for exam study. The bacterium that causes it lives in the bloodstream and intestines and is only spread by humans, via.
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