Three principal reasons most often cited for the spread of diseases are poor sanitation, improper management, and introduction of new animals into a herd. The number of diseases caused by viruses, is probably lesser than only the number of species of viruses. An infected person can transmit measles from four days prior to the onset of. What you should know about covid19 to protect yourself. One or more of the following defects cause diseases. This primefact covers common cucurbit diseases caused by fungi, bacteria and viruses. A reddish, straplike leaves caused by blueberry shoestring virus. Influenza is caused by infection of the respiratory tract with influenza viruses, rna viruses of the orthomyxovirus genus. 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.
Insects such as leafhopper and psyllids cause injuries to the potato that are often confused with diseases caused by infectious organisms. B leaf distortion and red oakleaf pattern on leaves of blueberry shoestring virus infected bush photos by mark longstroth. If this association can be confirmed it is the first known case of disease caused by a virus previously considered pathogenic only to plants. Identify typical signs and symptoms of viral diseases spread by airborne transmission. There are six main types of disease causing agents or pathogens. Some viral infections are serious diseases of groupers causing heavy mortalities. Infectious diseases are caused by certain kinds of active agents or their toxins. 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. Lesson summary bacterial diseases microorganisms that cause diseases are known as pathogens. Read on to learn more about some of the main types of viral diseases. Influenza a viruses are further classified into subtypes based on 2 surface proteins, hemagglutinin. To reduce that burden an integrated approach is required, combining health promotion, disease prevention and patient treatment.
Most diseases covered are economically significant or have the potential to become so. Symptoms that have been attributed to virus diseases include growth abnormalities of mycelium, discolouration and distortion of mushrooms such as browning of caps and elongation of the stalks. Different kinds of pathogens cause different kinds of diseases. The positive strain of the virus was the zaire strain of ebola virus. Infections and infectious diseases are a great burden on many societies, including the countries in the who european region. Early opening of caps, crop delay, delayed pinning development often. Ebola, also known as ebola virus disease evd, is a viral haemorrhagic fever of humans and other primates caused by ebolaviruses.
We greatly appreciate the editorial assistance of cimmyt. List of human diseases caused by bacteria,virus,fungi. Mild mottling on the leaves caused by rose mosaic virus disease. Fungal diseases are presented in the following sequence. Severe mosaic, mottling, and distortion of the leaves caused by rose mosaic virus disease. Diagnosis and treatment edit viral disease is usually detected by clinical presentation, for instance, severe muscle and joint pains preceding fever, or. List human diseases caused by bacteria, virus, fungi, and. A few can cause fatal disease and illness in animals and humans. The only one of these viruses that poses a potential threat is hepatitis e, a virus that clinically looks like hav, causes an acute infection, and is spread by the fecal.
Once inside the body, viruses enter cells and reproduce quickly. This list is very important for one day exams and upsc exams. Vomiting, diarrhoea and rash usually follow, along with decreased function of the liver and kidneys. The prerequisite for success in this fight is the participation of all health care professionals. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Human immune system can generate antibodies against viruses, the antibody will recognize the virus and destroy it. A disease caused by a virus complex and symptoms on roses and management. Signs and symptoms typically start between two days and three weeks after contracting the virus with a fever, sore throat, muscular pain, and headaches. Marburg virus disease an overview sciencedirect topics. Get a printable copy pdf file of the complete article 116k, or click on a page image below to browse page by page. Managing viruses and phytoplasmas there are no chemical controls for diseases caused by viruses and phytoplasmas prevention is the best strategy reduce nematode populations before planting buy certified, virus and phytoplasmafree plants control insects that transmit these organisms aphids, leafhoppers, planthoppers.
Viruses are very tiny organisms with their diameters in nanometers level. 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 researchgate. Here we are sharing list of all diseases caused by various bacteria,protozoa and viruses. Full text full text is available as a scanned copy of the original print version. Although descriptions of the more common diseases have been given to assist with identification, it can be difficult to diagnose some diseases with similar symptoms. A viral disease is any illness or health condition caused by a virus. Around 23 questions from this topic are asked in every exam. Let us take a look at extensive lists of diseases that viruses can cause in almost any living organism. Viruses, bacteria, protists and fungi microbiology is the study of microscopic organisms like microbes 1. Pages in category diseases caused by viruses the following 46 pages are in this category, out of 46 total.
Conclusion bacteria and viruses are both microscopic microbes. Covid19 symptoms can range from mild or no symptoms to severe illness. Viruses mushroom virus diseases cause considerable reductions in yield. Diseases caused by viruses include influenza, the common cold, measles, yellow fever, and hepatitis. The disease they cause poliovirus, rabies virus the type of disease murine leukemia virus geographic locations sendai virus, coxsackie virus their discovers epsteinbarr virus how they were originally thought to be contracted dengue virus evil spirit, influenza virus. Viral diseases are extremely widespread infections caused by viruses, a type of microorganism.
Causes of diseases disease causes body functions to disfunction or function improperly. Viral infections cause a host of different diseases, some mild and others potentially fatal. Choose three diseases from the following list of infectious diseases to examine and complete the following tables. Pdf there are many types of viruses that cause a wide variety of viraldiseases. Influenza virus strains that cause worldwide outbreaks pandemics are classic examples of emerging viruses that are maintained in other animal. The most common type of viral disease is the common cold, which is caused by a viral infection of. An outbreak of disease believed to have been caused by echo 9 virus. These pathogens vary greatly in size and shape, and also in the type of diseases they cause in their host.
These microscopic particles spread easily, typically via persontoperson contact or touching contaminated surfaces. Viruses evolve rapidly and hence the human virome changes. There are many types of viruses that cause a wide variety of viral diseases. Define emerging disease and explain why emerging diseases are a threat to human health. When a cell is infected with a virus several effects may be seen. List of diseases caused by virus, bacteria, protozoa and. The bacteria survive on diseased plant debris and on tomato seed. Define emerging disease, and explain why emerging diseases are a threat to human health. Coronavirus covid19 is an illness caused by a virus that can spread from person to person. The 2014 ebola epidemic is the largest in history, affecting multiple countries in west. Some infectious diseases are contagious or communicable, that is, spread from one person to another.
Common diseases of tomatoes part ii diseases caused by. Human diseases pdf download notes for ssc cgl 2017,upsc,nda,cds. There are other less common diseases affecting cucurbits which are not covered here. Skip directly to search skip directly to a to z list skip directly to navigation skip directly to page options skip directly to site content. Infectious diseases 2020 national notifiable conditions. Introduction to infectious diseases 1492, influenza, smallpox, tuberculosis and gonorrhea began when columbus went to the caribbean. Viruses exist almost everywhere, such like in the air, soil and animal body. Infectious diseases designated as notifiable at the national level during 2020. The chart below shows key terms from the lesson with their definitions. They are caused by some genetic abnormality or metabolic disorder or malfunctioning of an organ.
Bacterial spot is also a serious disease of pepper. Waterborne diseases in simple words are the diseases that originate from contaminated or filthy waters that can prove to be severely injurious to our health. Infections due to coxsackie virus group a, type 9, in boston, 1959, with special reference to exanthems and pneumonia. List human diseases caused by bacteria, virus, fungi, and protozoa. List human diseases caused by bacteria, virus, fungi, and protozoa hello friends welcome to. Please use one of the following formats to cite this article in your essay, paper or report. Here are some example diseases caused by each type of pathogen. Viruses infect cells and proliferate to cause viral infections. 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. The virus that causes covid19 is a new coronavirus that has spread throughout the world. Thus, this post is very helpful for the upcoming government exams. Human body also habors a lot of viruses, but most of them do not cause diseases.
Human diseases caused by viruses pubmed central pmc. Human diseases pdf download notes for ssc cgl 2017,upsc,nda. Microbes or microorganisms diseases caused by microorganisms diseases caused by bacteria, viruses, protozoans and fungi. It was first identified in december 2019 in wuhan, china, and has since spread globally, resulting in an ongoing pandemic. Correlate airborne viral infection and disease severity. 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. Only virus types a and b commonly cause illness in humans. A b blueberries are affected by various virus and viruslike diseases. Coronavirus disease 2019 covid19 is an infectious disease caused by severe acute respiratory syndrome coronavirus 2 sarscov2. Potato diseases are caused by fungi, bacteria, viruses, mycoplasmas, a viroid, nematode m festations, and by abiotic, or noninfectious, entities. Being specific it is not the water but the microorganisms that are transmitted through such water that cause the water borne diseases. A virus is a particle of dna or rna enclosed by structural proteins.