Diseases caused by microorganisms pdf

Some diseases caused by pathogens are polio, cholera, mumps, rabies, malaria etc. Microbes cause disease in the course of stealing space, nutrients, andor living tissue from. To reduce that burden an integrated approach is required, combining health promotion, disease prevention and patient treatment. Viral infections are also described, but of the cutaneous fungal diseases, only nail infections are included. 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. Salmonella infection salmonellosis is a common bacterial disease that affects the intestinal tract. If you have problems viewing pdf files, download the latest version of adobe reader. The pathogens causing the diseases covered in this manual include viruses, bacteria, rickettsiae, fungi, proto zoa, and helminths worms. Those bacteria that do not retain the crystal violet dye and are either colored red or pink are referred to as the gram negative bacteria. Fungi is made up of many fungus particles belongs to kingdom classification. In this manual infectious agents which cause infection and illness are called pathogens. Bacterial pathogens are introduced to new sites on contaminated seed or transplants. The rapid dehydration can be lethal within hours, but it can be effectively treated with oral rehydration therapy. Antibiotics are used successfully to control bacteria.

Viruses produce other serious diseases in other animals and in plants. Cholera is an acute diarrheal disease, caused by the waterborne bacterium vibrio cholerae. Bacteria that retain the color of the dye are called gram positive. Airborne diseases spread easily and are difficult to prevent. Colonization of the body by various microbes results in the infectious disease. Virus is a microscopic particle which infect the body by creating replicas of their own in the cell of organism. Except for genetic and congenital factors, most of the diseases are caused by certain microorganisms. Genetic and rare diseases information center gard po box 8126, gaithersburg, md 208988126 tollfree. Bacterial diseases include any type of illness caused by bacteria. A common word for microbes that cause disease is germs. This list is very important for one day exams and upsc exams.

This chapter focuses on the common bacterial diseases of skin. Bacterial spot reduces tomato yield and qual ity by defoliation and spotting of fruit. 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. Common diseases of tomatoes part ii diseases caused by. Gram staining is the application of a crystal violet dye to a culture of bacteria. Fungal diseases are often caused by fungi that are common in the environment. List of human diseases caused by bacteria and viruses. List human diseases caused by bacteria, virus, fungi, and.

Infectious diseases bacteria are classified by their gram stain characteristics. Gk, general studies, optional notes for upsc, ias, banking, civil services. Infections and infectious diseases whoeurope world health. The pathogens responsible for causing such diseases can be divided into two. The following is a list of some of the major plant diseases, grouped by type of causative agent and ordered alphabetically. Bacterial spot is a widespread disease of tomato in oklahoma, and can be particularly severe in eastern okla homa, where rainfall and humidity levels promote disease development. Bacteria are a type of microorganism, which are tiny forms of life that can only be seen with a microscope. For language access assistance, contact the ncats public information officer. Harmful microorganisms types and harmful effects on. Microbes cause infectious diseases such as flu and measles. Some fungal species cause diseases by growing on and causing irritation to the skin, hair, nails or mucus membrane of animals many are not harmful, but they are irritating and difficult to eliminate. Viruses, fungi, bacteria and protists notes biology. Today we will be covering a very important topic from the biology part of the general knowledge section that is list of diseases caused by virus, bacteria, protozoa and worm. Pathogenic bacteria are bacteria that can cause disease.

Microorganisms and disease questions answers pdf free download in microbiology mcqs,interview questions,objective questions,multiple choice. Although we will mostly discuss infectious diseases in people on this page, other living organisms such as animals, plants, and microorganisms can all be made ill by an infectious disease. Soil borne human diseases jrc publications repository europa. Different diseases are caused by different types of microorganisms. List of human diseases caused by bacteria and viruses pdf. Humans become infected most frequently through contaminated water or food. Once established, bacteria are spread by splashing rain, water runoff, wind. The prerequisite for success in this fight is the participation of all health care professionals. By contrast, several thousand species exist in the human digestive system. Bacteria which retain a crystal violet dye are called gram positive bacteria. Which of the following is common in the disease caused by. Thus, this post is very helpful for the upcoming government 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.

Necrotizing fasciitis flesheating disease national institute of allergy and infectious diseases niaid cc by 2. Fungal spores can also be inhaled and cause infections in the lungs and other organs. Antimicrobials, such as antibiotics, are essential to treat infections caused by bacteria. List human diseases caused by bacteria, virus, fungi, and protozoa.

Infections and infectious diseases are a great burden on many societies, including the countries in the who european region. Salmonella bacteria typically live in animal and human intestines and are shed through feces. Protection against viruses, either by hygiene or vaccination, is the best way to avoid viral illness. Disease causing microorganisms safe drinking water. It may be caused by internal dysfunctions also, such as autoimmune diseases.

Infectious plant diseases are caused by bacteria, fungi, or viruses and can range in severity from mild leaf or fruit damage to death. Other types of microorganisms include viruses, some fungi, and some parasites. Diseases are also caused by microbes or microorganisms 1,2,3. List of diseases caused by virus, bacteria, protozoa and worm. Viral diseases in humans include the common cold, influenza, aids, chicken pox, and measles. List of human diseases caused by bacteria,virus,fungi. Microorganisms include all unicellular organisms and so are extremely diverse. Skin diseases are caused by viruses, rickettsiae, bacteria, fungi, and parasites. Ive got the flu bug, for example, is a phrase you may hear. Some bacteria destroy living cells and tissues of the infected organism directly, while some cause tissue damage when they provoke a response from the immune system. Diseases caused by protozoa disease caused by bacteria disease caused by viruses disease caused by fungus. Bacteria produce disease in one of two general ways.

However, their overuse and misuse in veterinary and human medicine has been linked to the emergence and spread of resistant bacteria, rendering the treatment of infectious diseases ineffective in. They are specially adapted to infect and multiply within a host. The most severe type of bacterial skin infection is necrotizing fasciitis, commonly known as flesheating bacteria disease. Diseases caused by viruses are called viral infections. Typically, people with salmonella infection have no symptoms. Some people refer to disease causing microbes as bugs. Learn more about the types of airborne diseases and how to protect yourself. Some people refer to diseasecausing microbes as bugs.

List human diseases caused by bacteria, virus, fungi, and protozoa hello friends welcome to. They use simple tricks to enter our bodies so they can cause disease. 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.

Gk human diseases caused by bacteria viruses protozoa. Unlike the diseases caused by other microorganisms like fungi and protozoa these bacterial infections are deadly. After an initial consultation, who in 2007 established a foodborne disease burden epidemiology. Microbiological classification of infectious diseases. Disease causing microorganisms, however, are another matter entirely. If the organism can cause infection, it is an infectious agent.

Within healthcare settings, many microorganisms have the perfect living and breeding conditions, due to the numbers of. Fungal diseases are caused by fungi, which are small organisms. 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. To help you remember the diseases and their causative agents, we have designed this free ebook, from where you can learn by heart the names of microorganisms and the diseases associated with them. Every year, it affects 3 million to 5 million people and leads to up to 200,000 deaths. An infectious disease is any disease caused by a pathogen germ such as a virus, bacteria, parasite, or fungus. Of the three domains of life identified by carl woese, all of the archaea and bacteria are microorganisms.

Microbes or microorganisms diseases caused by microorganisms diseases caused by. Here you find the list of diseases in a tabular form and also details of some important ones. The gram stain attaches to peptidoglycan in the bacterial cell wall. With this lifethreatening infection, the skin and deep underlying tissues are not eaten by the bacteria. Diseasecausing microbes can also be called pathogens, germs or bugs and are responsible for causing infectious diseases. Around 23 questions from this topic are asked in every exam. Download free pdf of list of diseases caused by microorganisms. In the 1880s, robert koch discovered that microorganisms caused the diseases tuberculosis, cholera and anthrax. Here we are sharing list of all diseases caused by various bacteria,protozoa and viruses. List of diseases caused by bacteria and viruses in humans. Disease may be caused by factors originally from an external source, such as infectious disease. Understanding microbes in sickness and health scholarworks. Fungi live outdoors in soil and on plants and trees as well as on many indoor surfaces and on human skin.