List of diseases caused by bacteria and viruses in humans. Improved sanitation, vaccines, and antibiotics have all decreased the mortality rates from bacterial infections, though antibioticresistant strains have caused a resurgence in some illnesses. Microbes or microorganisms diseases caused by microorganisms. It does not produce significant quantities of extracellular enzymes or possess other virulence factors that would predispose it to cause infection edberg, 1991. The following is a list of some of the major plant diseases, grouped by type of causative agent and ordered alphabetically. Viral infections are also described, but of the cutaneous fungal diseases, only nail infections are included. Fungal diseases are caused by fungi, which are small organisms. Genetic and rare diseases information center gard po box 8126, gaithersburg, md 208988126 tollfree. However, in the future scientists may discover archaea associated with disease. In this manual infectious agents which cause infection and illness are called pathogens. Disease causing microorganisms microorganisms that cause diseases in human beings, animals, and. Understanding microbes in sickness and health iupui scholarworks. If you have problems viewing pdf files, download the latest version of adobe reader. They are specially adapted to infect and multiply within a host.
The first step is to identify which diseases are soil borne. One way bacteria can cause disease is by breaking down and damaging of the infected organism. These bacterial diseases examples are commonly spread only when person comes in contact with this bacterium that stays in human body. Commensalism one organisms and the other is not harmed or helped. Common diseases of tomatoes part ii diseases caused by. Parasitism is the condition one organism is helped and the other is harmed which takes place when humans are invaded by infectious microbes. Harmful microorganisms types and harmful effects on. Some other microorganisms are beneficial and contribute to human welfare. Management of these diseases is most effective with the integrated use of practices such as crop rotation, resistant varieties, sanitation and disease exclusion. Human diseases caused by virus, bacteria and protozoa pdf. The prerequisite for success in this fight is the participation of all health care professionals.
It is caused by bacteria called mycobacterium tuberculosis and mostly infects bones, lungs, brain, and the abdomen. About 1 in 10 people have these bacteria in the back of their nose and throat without being ill. Bacterial meningitis can be caused by a number of bacteria. This chapter focuses on the common bacterial diseases of skin. At the present time, all known prokaryotic pathogens are bacteria. The major symptoms associated with this disease are spleen, enlarged liver, rose coloured chest spots, constipation, diarrhea, headache and high fever. Diseases caused by bacteria and viruses bacterial diseases pathogens are microorganisms that cause disease all known prokaryotic pathogens are bacteria louis pasteur helped establish the germ theory of disease by showing bacteria responsible for many human and animal diseases bacterial diseases produced in 2. One way to control bacterial growth is by subjecting the bacteria to high temperatures during a process known as. Skin diseases caused by microorganisms acne vulgaris nonpathogen specific term for the longterm skin condition characterized by comedones, papules, nodules, andor cysts due to the obstruction and consequent inflammation of hair follicles and accompanying sebaceous glands. Sometimes the bacteria invade the body and cause certain illnesses, which are known as meningococcal disease. The human microbiota, especially the gut microbiota, has even been considered to be an essential organ, carrying approximately 150 times more genes than are found in the entire human genome. The living body on or inside which the disease producing organism takes shelter. Different diseases are caused by different types of microorganisms. Pdf types of human disease by source of the infectious agent.
Bacterial disease, any of a variety of illnesses caused by bacteria. A list of common diseases caused by microorganisms are given in the previous post. Bacteria can also cause disease by releasing that harm the body. Microbes cause infectious diseases such as flu and measles.
Peptic ulcers, helicobacter pylori, humans, ulcers in the lining of stomach and starting part of small intestine. Isbn 9781581103069 centers for disease control and prevention. Causing diseases in human beings, animals, and plants food spoilage we will discuss each of these in detail. The human microbiota in health and disease sciencedirect. Diseases caused by bacteria and viruses bacterial diseases microorganisms viruses and prokaryotesthat cause disease are called pathogens. H ere are some of the important list of human diseases caused by virus, bacteria, and protozoa for your competitive exam preparations. A few harmful microbes, for example less than 1% of bacteria, can invade our body the host and make us ill. Diseases caused by bacteria include diphtheria, typhoid, cholera etc.
Each of these diseases will then be discussed in turn, providing a brief overview of the disease, its cause, progression in humans and general prognosis. Skin diseases are caused by viruses, rickettsiae, bacteria, fungi, and parasites. Humans and brucella species clinicians brucellosis cdc. These rules are called kochs postulates and they are a good example of the scientific method. Infections and infectious diseases are a great burden on many societies, including the countries in the who european region. To reduce that burden an integrated approach is required, combining health promotion, disease prevention and patient treatment. More than 100 trillion symbiotic microorganisms live on and within human beings and play an important role in human health and disease. Harmful effects of microorganisms in our daily life harmful effects of microorganisms can be divided into the following two categories. This list is very important for one day exams and upsc exams. There is also strong evidence that microbes may contribute to many noninfectious chronic diseases such as some forms of cancer and coronary heart disease.
Bacteria live on your skin, in your intestine and in many other body locations. Tuberculosis is one of the most common and widely distributed bacteria diseases in the human population. Malaria and sleeping sickness are diseases caused by protozoa. List human diseases caused by bacteria, virus, fungi, and. Some diseases caused by pathogens are polio, cholera, mumps, rabies, malaria etc. We have included all the possible information regarding the topic which includes its causes, modes, causing virus etc. Here we are sharing list of all diseases caused by various bacteria,protozoa and viruses. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The microorganisms cause diseases in the following ways. List human diseases caused by bacteria, virus, fungi, and protozoa hello friends welcome to. Bacterial diseases 12 common diseases that are caused by. Pdf microbes are called diseasecausing microbes and can make humans, animals.
These germs have been studying ways to trick the human immune system for a long time because getting past the bodys defences is key for their survival. There may be other reasons people with gum disease sometimes. Virusinfected plants cannot be cured, so effective man agement relies on. Human diseases pdf download notes for ssc cgl 2017,upsc,nda. Pathogenic bacteria are bacteria that can cause disease. 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. Disease causing microorganisms safe drinking water. It is often difficult to determine the cause of fungal diseases, because bacteria cause a secondary infection and are often erroneously identified as fungi.
Disease causing microorganisms, however, are another matter entirely. They use simple tricks to enter our bodies so they can cause disease. Robert koch 1st to actually demonstrate that microorganisms do cause disease studied anthrax while investigating the disease, he developed a set of rules for proving that a microorganism is the cause of a specific disease. Microorganisms may be singlecelled like bacteria, some algae and protozoa, or multicellular, such as algae and fungi. For language access assistance, contact the ncats public information officer. Diseases of tomato caused by bacteria, viruses and nematodes can be severe. Some microorganisms are harmful as they cause various diseases in humans. Infectious plant diseases are caused by bacteria, fungi, or viruses and can range in severity from mild leaf or fruit damage to death. Cdc does not currently perform serological testing for brucella canis. List of human diseases caused by bacteria,virus,fungi. Until the mid20th century, bacterial pneumonia was probably the leading cause of death among the elderly. Every year, it affects 3 million to 5 million people and leads to up to 200,000 deaths.
List human diseases caused by bacteria, virus, fungi, and protozoa. Earlier literature contains references to infections caused by b. Skin diseases caused by microorganisms flashcards quizlet. Diseases of tomato caused by bacteria, viruses and nematodes can be severe, reduce tomato yield and quality and generally are more difficult to control than those caused by fungi. If the organism can cause infection, it is an infectious agent. 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. Bacterial diseases include any type of illness caused by bacteria. Worms like roundworms, tapeworms could cause diseases like ascariasis and taeniasis respectively. Other types of microorganisms include viruses, some fungi, and some parasites.
Some important terms to remember human diseases pdf download notes for ssc cgl 2017,upsc,nda,cds. The other fungal diseases are described in the mycology section. Antibiotics are used successfully to control bacteria. By contrast, several thousand species exist in the human. Infectious diseases have historically represented the most common cause of death in humans until recently, exceeding by far the toll taken by wars or famines. However, disease causing species cause a range of human bacterial illnesses that range from mild to potentially lifethreatening. Pathogens able to infect human, domestic and wildlife hosts contained a similar proportion of disease causing pathogens for all three host groups. Cholera is an acute diarrheal disease, caused by the waterborne bacterium vibrio cholerae. What are the harmful effects of microorganisms in our. Three types of the bacteria that cause brucellosis brucella abortus, brucella melitensis and brucella suis are designated as select agents.
It 100% sure that you will get at least one question from general science section human diseases caused by virus, bacteria. Bacteria called neisseria meningitidis cause meningococcal disease. The specific bacteria that cause bacterial meningitis vary based on the age of the infected person. The overwhelming majority of bacteria do not cause disease. Salmonella is the leading cause of bacterial food poisoning in humans worldwide zhang et al. Except for genetic and congenital factors, most of the diseases are caused by certain microorganisms. Humoral immunity the production of antibodies to pro tect against pathogens and parasites.
The rapid dehydration can be lethal within hours, but it can be effectively treated with oral rehydration therapy. What are pathogens, and what have they done to and for us. It is reported that more than 90% of human illness caused. Diseases caused by microorganisms flashcards quizlet. Bacteria are a type of microorganism, which are tiny forms of life that can only be seen with a microscope. Bacteria, viruses, fungi, and parasites can all cause meningitis. Genetic and rare diseases information center gard po box 8126, gaithersburg, md 208988126.
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