The viruses and their relation to disease will be the subject of my talk at this. It is hoped that several other viruses, such as polio and measles, will follow. Pdf for much of history comets have been associated with death and disease. Well go over some of the main types, including how they. Most infectious diseases are caused by viruses, or a combination of viruses and bacteria. On this picture the evolution of higher plants and animals, including humans, would be impacted by the insertion. And the virus specific information can be remembered by the immune system, sometimes through the whole life. It is one of the most contagious viral infections in the world. Get a printable copy pdf file of the complete article 2. List human diseases caused by bacteria, virus, fungi, and.
The number of diseases caused by viruses, is probably lesser than only the number of species of viruses. Aids human immunodeficiency virus hiv influenza influenza virus. Diseases caused by viruses are called viral infections. Many viruses cause little or no disease and are said to be benign. Infections and infectious diseases are a great burden on many societies, including the countries in the who european region. Important diseases and causative agents for exam study. Learn diseases caused by viruses with free interactive flashcards. While an avirulent virus may not cause a disease, its infection may well lead to. Human immune system can generate antibodies against viruses, the antibody will recognize the virus and destroy it. Full text full text is available as a scanned copy of the original print version.
Bacteria diseases, viral diseases, fungus diseases, protozoa diseases list of human diseases caused by bacteria,virus,fungi,protozoa. Only proper hygiene and care can help prevent these diseases. List of diseases caused by bacteria and viruses in humans. Chickenpox, also known as varicella, is a highly contagious disease. Pages in category diseases caused by viruses the following 46 pages are in this category, out of 46 total. Virus diseases cannot be diagnosed on the basis of symptoms alone. They are caused by some genetic abnormality or metabolic disorder or malfunctioning of an organ. Zoonosis is the name given to diseases or infections that can be transmitted between humans and animals.
One example of a bacterial pathogen that damages host tissue is the bacterium that causes tuberculosis. Infectious diseases are disorders caused by pathogenic organisms such as viruses, bacteria, or fungus. Viral diseases are extremely widespread infections caused by viruses, a type of microorganism. These diseases are highly susceptible to a combina. There are several examples of virus spillover from animals to humans. This pathogen is inhaled into the lungs, where its growth triggers an immune response that can destroy large areas of tissue. Bacterial diseases bacteria are microscopic, singlecelled organisms bacte. Vaccines are an effective and available measure for combating rotavirus disease and for preventing rotavirus infection.
If this association can be confirmed it is the first known case of disease caused by a virus previously considered pathogenic only to plants. Small pox it is caused by either of two virus variants, variola major and variola minor. The more harmful viruses are described as virulent. 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. Infectious diseases are caused by certain kinds of active agents or their toxins. However, it is also important to remember that some diseases affect animals only, often with economic, environmental andor societal implications. The most common diseases caused by viruses include ebola, influenza, yellow fever, human immunodeficiency virus hiv aids, human papillomavirus hpv, viral gastroenteritis, varicella, and viral hepatitis, among others. Examples of the impact of viral disease on human history. List human diseases caused by bacteria, virus, fungi, and protozoa hello friends welcome to. The most well known member of the genus is variola virus, the causative agent of smallpox.
Characterized by a runny nose, cough and sore throat, although harmless the common cold virus is caused by more than 200 viruses. Human diseases pdf download notes for ssc cgl 2017,upsc,nda. Virus diseases widespread diseases in nature caused by viruses and found in humans, animals, birds, fish, insects, plants, protozoa, and even in bacteria. Pathogenesis of viral infections and diseases, how viruses survive in nature, how they evolve and how this potentially alters properties such as virulence, how diseases caused by viruses. Get a printable copy pdf file of the complete article 116k, or click on a page image below to browse page by page.
These animal diseases may cause huge economic losses to farmers and severe emotional distress to animal owners. Serious diseases such as ebola and aids are also caused by viruses. A virus is micro organism, it is usually very difficult to kill. Even though the herpes sores may disappear, the virus is still. The 2009 h1n1 pandemic influenza virus emerged from pigs as well, but only after complex exchanges of human, swine, and avian influenza genes 14. That is one of the primary reasons why they are present almost everywhere. It produces groups of blisterlike sores on the genitals abouttwo to 14 days after a person is exposed to the virus. The global community continues to incur the high costs of crisis mitigation and emergency response to outbreaks of emerging infectious diseases, such as those caused by the h5n1 highly pathogenic. The virus spreads through entry into breaks of cell walls caused by insects or other physical damage. It is often difficult to determine the cause of fungal diseases, because bacteria cause a secondary. List of diseases in plants caused by viruses healthfully. Human body also harbors a lot of viruses, but most of them do not cause diseases.
Common human diseases caused by viruses include the common cold, influenza, chickenpox and cold sores. Human immune system usually can recognize a specific piece of a virus protein sequence, thus identify and destroy them. Please use one of the following formats to cite this article in your essay, paper or report. Thus, this post is very helpful for the upcoming government exams. Viruses technically live inside human cells, doing their reproduction, etc. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Virus diseases article about virus diseases by the free. Osu extension agents handbook of insect, plant disease. Human behaviors could make zoonotic diseases worse, study. The peculiar characteristic of viruses, is that they multiply only in living organisms.
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. Human diseases pdf download notes for ssc cgl 2017,upsc,nda,cds a. Infections and infectious diseases whoeurope world health. The most common type of viral disease is the common cold, which is caused by a viral infection of the upper respiratory tract nose and throat. Human diseases caused by viruses, fungi and protists. Viral disease is usually detected by clinical presentation, for instance severe muscle and joint pains preceding fever, or. List of diseases caused by virus, bacteria, protozoa and. Severely weakens immunity and makes way for a number of other pathogens. Pdf on jan 1, 2016, eric delwart and others published viruses of the human. Fungal diseases are caused by fungi, which are small organisms. Most frequently, plants catch a cold when an insect or other small animal invades the cellulose armor that protects them from the environment. They are normally harmless but under certain conditions, some organisms can be fatal and. Usually vaccines are made of weakened virus, which will not cause disease. Virus diseases in man include smallpox and chicken pox, measles, herpes, influenza, german measles, mumps, poliomyelitis, viral hepatitis, endemic encephalitis transmitted by ticks, mosquitoes, and.
Most human infections in world today are either caused by viruses or bacteria. Some of the same types of viruses that infect humans can also infect plants. 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. Remove all weeds since these may harbor both viruses and insects. They are caused by various infectious agents that present in living cells. Plants and humans do not transmit viruses to each other, but humans can spread plant viruses through physical contact 1. Pdf on jan 1, 20, doj raj khanal and others published viruses and viral diseases find, read and cite all the research you need on. Microbes or microorganisms diseases caused by microorganisms diseases caused by bacteria, viruses, protozoans and fungi. Pdf human disease caused by virus magendira mani vinayagam. List human diseases caused by bacteria, virus, fungi, and protozoa. Some infectious diseases are contagious or communicable, that is, spread from one person to another. Diseases caused by protozoa malaria plasmodium vivax amoebic dysentery entamoeba histolytica trypanosomiasis diseases caused by flatworms and roundworms filariasis parasitic disease caused by an infection with roundworms of the filarioidea type hookworm disease ancylostoma duodenale roundworm disease ascaris lumbricoides blood fluke disease schistossoma mansoni. There are many types of viruses that cause a wide variety of viral diseases.
Recent animal disease outbreaks and their impact on human. Common diseases of tomatoes part ii diseases caused by. A zoonosis zoonotic disease or zoonoses plural is an infectious disease that is transmitted between species from animals to humans or from humans to animals. Here we are sharing list of all diseases caused by various bacteria,protozoa and viruses. Read free 203 diseases caused by bacteria and viruses worksheet answers the books that can be recommended for additional readers is pdf. Viral skin diseases are classified by clinical features into three types. The sores will break open and become painful, especially if they come in contactwith urine. Viral diseases can be prevented from spreading by vaccinations and the most successful of these is the small pox vaccine that has completely eradicated the disease in 1980. Links to pubmed are also available for selected references. Here presented the list of diseases caused by bacteria and viruses in humans. In this free online course, you will learn about animal viruses that affect pets, birds, sheep, cattle, swine and horses, and produce important diseases. Common colds are the most seen diseases caused by viruses. Viruses infect cells and proliferate to cause viral infections. To reduce that burden an integrated approach is required, combining health promotion, disease prevention and patient treatment.
While some of them are easily preventable and curable, some can prove to be fatal if not diagnosed and treated on time. This is an airborne infection and is transmitted through the nose and mouth. Managing viruses diseases there are no chemicals that cure a virusinfected plant nor any that protect plants from becoming infected. There are at least 48 important diseases people get from the bite of bugs that bit an infected animal. This list is very important for one day exams and upsc exams. Choose from 500 different sets of diseases caused by viruses flashcards on quizlet. It has another claim to fame as the first virus imaged with an electron microscope. List of human diseases caused by bacteria,virus,fungi. Around 23 questions from this topic are asked in every exam. Many of them are curable, but some are really dangerous. The prerequisite for success in this fight is the participation of all health care professionals. There are several types of viral disease, depending on the underlying virus. Rabies rabies is a disease that affects the nervous system of mammals.
Aphids spread it, and they cause physical damage to the plant, which allows entry of the virus via wind, splashing or dripping sap. Nipah virus also emerged from bats and caused an epizootic in herds of intensively bred pigs, which in turn served as the animal reservoir from which the virus was passed on to humans. Acute gastroenteritis is one of the leading causes of childhood mortality worldwide and accounts for 15% of all deaths in younger children. There are at least 39 important diseases people catch directly from animals. Some are short, like a cold, some are long, like mononucleosis, some are chronic, like hepatitis, or hiv. A viral disease is any condition thats caused by a virus. Viruses cause literally thousands of different diseases.
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