Examples of infectious diseases caused by bacteria pdf

Centers for disease control and prevention, national center for emerging and zoonotic infectious diseases ncezid, division of foodborne, waterborne, and. Infectious diseases bacteria are classified by their gram stain characteristics. Bacterial diseases for questions 15, complete each statement by writing the correct word or words. Even smaller than bacteria, viruses cause a multitude of diseases ranging from the common cold to aids. Bacterial diseases were once leading causes of death. Immune system is a defense system that enables us to resist infections. Gram staining is the application of a crystal violet dye to a culture of bacteria.

Examples are sars, influenza, the common cold, tuberculosis tb, hepatitis a and b. They are normally harmless but under certain conditions, some organisms can be fatal and. But under certain conditions, some organisms may cause disease. Its symptoms include sore throat, fever, and swollen lymph nodes. Bacteria can also cause disease by releasing that harm the body. 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. Prophylaxis bcg vaccine isolation, health education. Microbiological classification of infectious diseases. The 10 deadliest infectious diseases planet deadly. Some infectious diseases are contagious or communicable, that is, spread from one person to another. It shows pathogenic microorganisms that provoke different infectious pathologies.

Necrotizing fasciitis is a serious infection most often caused by streptococcus pyogenes bacteria. Common infectious diseases university of utah health. The lungs are particularly vulnerable to bacterial infections. Inappropriate use of antibiotics infectious diseases jama. Bacteria that retain the color of the dye are called gram positive. Improved sanitation, vaccines, and antibiotics significantly decreased mortality rates. One way bacteria can cause disease is by breaking down and damaging of the infected organism. Vibrio cholerae causes cholera legionella pneumophila caused legionnaires disease. The inappropriate use of antibiotics for these types of infections as well as the more frequent use of broadspectrum antibiotics has caused the emergence of newer strains of bacteria that are resistant to many antibiotics. Other types of viral diseases spread through other means, such as the bite of an infected insect. Food poisoning is caused by foodborne bacteria, such as salmonella or e. Bacterial disease, any of a variety of illnesses caused by bacteria. In many cases, infectious disease can be spread from person to person, either directly e.

Other examples of bacterial lung diseases include legionnaires disease, inhalation anthrax and whooping cough, also known as pertussis 4. A condition caused by ingestion of salmonella bacteria resulting in gastroenteritis manifested by nausea, vomiting, abdominal cramps, and diarrhea. 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. To reduce that burden an integrated approach is required, combining health promotion, disease prevention and patient treatment. Microbes or microorganisms diseases caused by microorganisms diseases caused by bacteria, viruses, protozoans and fungi. List of 10 important bacterial diseases human health. Lesson summary bacterial diseases microorganisms that cause diseases are known as pathogens.

Bacterial diseases 12 common diseases that are caused by. Antibiotics are used successfully to control bacteria. Infectious diseases can also spread from animals to man or viceversa who, 2010. Bacterial diseases include any type of illness caused by bacteria.

Some intestinal bacteria are considered opportunistic. List of human diseases caused by bacteria,virus,fungi. Learn more about types of bacterial disease and the mechanism by which bacteria cause illness. An infectious disease is any disease caused by a pathogen germ such as a virus, bacteria, parasite, or fungus. These are microscopic organisms, such as bacteria, viruses, fungi, or parasites. This is called foodborne diseases where anybody who ingested food with these bacteria will experience blood stool diarrhea, fever, body pain and cramps. These onecell organisms are responsible for illnesses such as strep throat, urinary tract infections and tuberculosis.

The immune system is composed of two types of immunity the innate or nonspecific immunity and the adaptive or specific immunity. Snows first study was conducted in 1848 when an epidemic of cholera hit the golden square area of london. Under normal circumstances, when the immune system of the host is fully functional, disease symptoms may not develop. This is an infectious disease caused by campylobacter bacterium. 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. In the past ten years, variant toxinproducing strains of c. The spread and increased lability of various infectious diseases, new and old, re. Up to half of all children died before the age of five, mostly due to infectious diseases. Strep throat is caused when the bacteria streptococcus infects the throat. Non infectious diseases, which account for the majority of plant problems in urban areas, can be caused by such factors as compacted soil, nutrient deficiencies, temperature extremes, vandalism.

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. At that time, infectious diseases were the leading causes of death. Fungal diseases are caused by fungi, which are small organisms. Other types of viral diseases spread through other. Unlike those diseases caused by microorganisms like fungi and protozoa these bacterial infections are deadly. Infectious diseases an overview sciencedirect topics. Bacterial diseases bacteria are microscopic, singlecelled organisms bacte. Examples of infectious agents include fungi, protozoa, viruses, and bacteria.

Mrsa is a commonly observed examples of bacterial diseases and it generally appears in form of a tiny red bump or pimple on your skin and the area surrounded by it use to be warm, swollen, red and too sensitive to touch. Oral rehydration therapy a method of cholera treatment designed to replace lost body fluids. The last category of microorganisms does not cause any negative conditions under any conditions. Examples include strep throat, tonsillitis, sinusitis and epiglottitis a serious infection of the tissue above the voice box. Infectious diseases are disorders caused by pathogenic organisms such as viruses, bacteria, or fungus. This results in the death of the infected tissue, a process known. 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. Pathogenic bacteria are bacteria that can cause disease. Aug 21, 2018 common examples of contagious viral diseases include the flu, the common cold, hiv, and herpes. Tooth decay and gingivitis inflammation of the gums are common oral diseases caused by bacteria. Mrsa is one of the most harmful bacteria that usually stay present at medical centers, hospitals and nursing homes. Infections and infectious diseases are a great burden on many societies, including the countries in the who european region. They can sometimes be caught from other people, the environment, from animal contact, or from insect bites.

Clostridium difficile infection cdi is the primary cause of antibioticassociated diarrhea and is a significant nosocomial disease. Examples of bacteria that cause infections include streptococcus, staphylococcus, and e. Infectious diseases are caused by pathogenic microorganisms including bacteria, viruses, parasites, or fungi that can spread directly from one person to another. Bacterial diseases bacterial infection symptoms, causes. The innate immunity is the first line of defense against invading organisms while the adaptive immunity acts as a second line.

Infectious disease, in medicine, a process caused by an agent, often a type of microorganism, that impairs a persons health. The prerequisite for success in this fight is the participation of all health care professionals. Define emerging disease and explain why emerging diseases are a threat to human health. They can be passed from person to person through body secretions, insects or other means. Many give off chemicals called toxins, which can damage tissue and make you sick. In conclusion of the article there is a table human diseases caused by bacteria. Other types of microorganisms include viruses, some fungi, and some parasites. It is often difficult to determine the cause of fungal diseases, because bacteria cause a secondary infection and are often erroneously identified as fungi. A lot of diseases have similar name as the bacteria that infects. Common diseases of tomatoes part ii diseases caused by. Escherichia coli and salmonella cause food poisoning, helicobacter pylori cause gastritis and ulcers, neisseria gonorrhoeae causes the sexually transmitted disease gonorrhea, neisseria meningitidis causes meningitis. Bacteria are a type of microorganism, which are tiny forms of life that can only be seen with a microscope. Typically, these are bacteria, viruses, fungi, or worms helminths. Caused by certain types of bacteria and fungi found in soil and water, typically in rural regions of africa, latin america, and asia.

Here you find the list of diseases in a tabular form and also details of some important ones. Diseases caused by bacteria are responsible for many deaths in the world since many centuries. List of 10 important bacterial diseases human health biology. The august 19, 2009, issue of jama includes an article about use of antibiotics in acute respiratory illness. Infections of the outer and middle ear can also be caused by bacteria. Climate change, one of the global environmental changes now under. Infectious diseases are disorders caused by organisms such as bacteria, viruses, fungi or parasites. Infectious diseases are caused by infectious organisms. Infectious diseases are diseases caused by microorganisms. Even before bacteria were discovered as a cause of disease, snow.