What Are The 4 Types Of Diseases?

There are four main types of disease: infectious diseases, deficiency diseases, hereditary diseases (including both genetic diseases and non-genetic hereditary diseases), and physiological diseases. Diseases can also be classified in other ways, such as communicable versus non-communicable diseases. via

Who is the first disease?

Mycobacterium tuberculosis (MTB) may well be the oldest pathogen to haveinfected humankind. Modern humans (or homo sapiens) emerged out of the “hominid” group almost two million years ago, and began wandering out of Africa about 70,000 years ago to populate the world. via

What was the first infectious disease?

Evidence of smallpox has been found in 3000-year-old Egyptian mummies. Egyptian papyrus paintings depict infectious diseases such as poliomyelitis. Hippocrates wrote about the spread of disease by means of airs, water, and places, and made an association between climate, diet, and living conditions. via

What is group1 disease?

Group I causes are conditions that occur largely in poorer populations, and typically decline at a faster pace than all-cause mortality during the epidemio- logical transition (in which the pattern of mortality shifts from high death rates from Group I causes at younger ages to chronic diseases at older ages). via

Are diseases curable?

Some diseases can be cured. Others, like hepatitis B, have no cure. The person will always have the condition, but medical treatments can help to manage the disease. Medical professionals use medicine, therapy, surgery, and other treatments to help lessen the symptoms and effects of a disease. via

What are the 5 diseases?

Common Infectious Diseases

  • Chickenpox.
  • Common cold.
  • Diphtheria.
  • E. coli.
  • Giardiasis.
  • HIV/AIDS.
  • Infectious mononucleosis.
  • Influenza (flu)
  • via

    What is the first virus in the world?

    Two scientists contributed to the discovery of the first virus, Tobacco mosaic virus. Ivanoski reported in 1892 that extracts from infected leaves were still infectious after filtration through a Chamberland filter-candle. Bacteria are retained by such filters, a new world was discovered: filterable pathogens. via

    Which is oldest disease of world?

    Leprosy is one of the oldest recorded diseases. Caused by the bacillus Mycobacterium leprae, it has affected multitudes over thousands of years — and, as a chronic disease with physical manifestations, has been a source of stigma and ostracism. via

    Where did Ebola come from?

    Ebola virus disease ( EVD ) is a severe disease caused by Ebola virus, a member of the filovirus family, which occurs in humans and other primates. The disease emerged in 1976 in almost simultaneous outbreaks in the Democratic Republic of the Congo ( DRC ) and Sudan (now South Sudan). via

    What is the most transmissible disease?

    Perhaps the most notorious of all infectious diseases, the bubonic and pneumonic plagues are believed to be the cause of the Black Death that rampaged through Asia, Europe and Africa in the 14th century killing an estimated 50 million people. via

    What are some of the diseases in the past?

    In the following pages, we present seven infections from the past that still plague us today.

  • Pneumonic/Bubonic Plague.
  • Spanish and Swine Flu -- H1N1.
  • Polio.
  • Chagas Disease.
  • Leprosy.
  • Hookworm.
  • Tuberculosis.
  • via

    What are infectious diseases Class 9?

    Infectious diseases are the diseases of microbial pathogens, namely viruses, bacteria, fungi, and parasites. These may be transmittable or non-communicable. They may be spread by plants, humans, or insects. via

    What are the four stages of pulmonary hypertension?

    Stages of pulmonary arterial hypertension

  • Class 1. The condition doesn't limit your physical activity.
  • Class 2. The condition slightly limits your physical activity.
  • Class 3. The condition significantly limits your physical activity.
  • Class 4. You're unable to carry out any type of physical activity without symptoms.
  • via

    What are Group 3 diseases?

    Such conditions include chronic pulmonary obstruction (chronic obstructive pulmonary disease [COPD]), interstitial lung disease (ILD), sleep-disordered breathing disorders, alveolar hypoventilation disorders, and long-term exposure to high altitude. via

    Is sarcoidosis a lung disease?

    Sarcoidosis is a rare disease caused by inflammation. It usually occurs in the lungs and lymph nodes, but it can occur in almost any organ. Sarcoidosis in the lungs is called pulmonary sarcoidosis. via

    What disease has no cure?

    Some of the common medical conditions of people requiring care at the end of life include:

  • cancer.
  • dementia, including Alzheimer's disease.
  • advanced lung, heart, kidney and liver disease.
  • stroke and other neurological diseases, including motor neurone disease and multiple sclerosis.
  • Huntington's disease.
  • muscular dystrophy.
  • via

    Which is curable disease?

    Thanks to clinical research and the dedicated efforts of medical professionals, many diseases have been eradicated over the last 100 years. Modern treatments exist for smallpox, polio and leprosy, and researchers have even developed therapies for previously fatal illnesses such as pneumonia. via

    What is the rarest disease?

    RPI deficiency

    According to the Journal of Molecular Medicine, Ribose-5 phosphate isomerase deficiency, or RPI Deficinecy, is the rarest disease in the world with MRI and DNA analysis providing only one case in history. via

    What's the worst lung disease?

    According to the American Lung Association, COPD is the third leading cause of death in the U.S. Dr. Meyer identifies COPD as one of the most serious and dangerous respiratory illnesses, and COPD is the number one problem seen in most pulmonology offices. “It's a very serious disease. via

    Who is father of virus?

    Martinus Beijerinck is often called the Father of Virology. Beijerinck's laboratory grew into an important center for microbiology. Researchers from all over the world came to work here. via

    Who made first virus?

    As noted by Discovery, the Creeper program, often regarded as the first virus, was created in 1971 by Bob Thomas of BBN. Creeper was actually designed as a security test to see if a self-replicating program was possible. via

    Where did the first virus come from?

    To date, no clear explanation for the origin(s) of viruses exists. Viruses may have arisen from mobile genetic elements that gained the ability to move between cells. They may be descendants of previously free-living organisms that adapted a parasitic replication strategy. via

    Which is the oldest language of the world?

    Seven oldest surviving languages in the world.

  • Tamil: Origin (according to first appearance as script) - 300 BC.
  • Sanskrit: Origin (according to first appearance as script) - 2000 BC.
  • Greek: Origin (according to first appearance as script) - 1500 BC.
  • Chinese: Origin (according to first appearance as script) - 1250 BC.
  • via

    How did leprosy start?

    The disease seems to have originated in Eastern Africa or the Near East and spread with successive human migrations. Europeans or North Africans introduced leprosy into West Africa and the Americas within the past 500 years. via

    What are man made diseases?

    For the purposes of this discussion, the man-made diseases are defined as those diseases which would not have occurred if man had not deliberately interfered with his environment 1. via

    What animal started Ebola?

    African fruit bats are likely involved in the spread of Ebola virus and may even be the source animal (reservoir host). Scientists continue to search for conclusive evidence of the bat's role in transmission of Ebola. via

    Is Ebola still around?

    On February 7, 2021 the Ministry of Health (MOH) in the Democratic Republic of the Congo (DRC) announced that a case of Ebola virus disease (EVD) had been confirmed in Biena Health Zone, North Kivu Province. Subsequent cases were confirmed. via

    How did Ebola jump to humans?

    Although it is not entirely clear how Ebola initially spreads from animals to humans, the spread is believed to involve direct contact with an infected wild animal or fruit bat. via

    Is Ebola very contagious?

    Ebola is spread between humans when an uninfected person has direct contact with body fluids of a person who is sick with the disease or has died. People become contagious when they develop symptoms. via

    What should you not do to avoid disease?

  • #1 Handle & Prepare Food Safely. Food can carry germs.
  • #2 Wash Hands Often.
  • #3 Clean & Disinfect Commonly Used Surfaces.
  • #4 Cough and Sneeze into a Tissue or Your Sleeve.
  • #5 Don't Share Personal Items.
  • #6 Get Vaccinated.
  • #7 Avoid Touching Wild Animals.
  • #8 Stay Home When Sick.
  • via

    Is Black Death leprosy?

    Leprosy is the older disease and has been reported since Biblical times. The first reported epidemic of plague occurred somewhat later, in the 6th or 7th century. Bubonic plague, or the Black Death, was the scourge of the Middle Ages. Plague is an infectious disease caused by the bacteria Yesinia pestis. via

    What was the deadliest pandemic?

    The coronavirus pandemic has become the deadliest disease outbreak in recent American history with tolls surpassing the estimated deaths of the 1918 flu. via

    Is Covid 19 the worst pandemic?

    While challenging to directly compare, it is likely that COVID-19 will not eventuate as the most damaging pandemic to society, both historically and in the modern age. The other pandemics discussed herein have had significant impacts on societies globally, with larger rates of infection and mortality. via

    Is mode of transmission by kissing?

    Kissing offers many health benefits, but may also transmit a small number of disease-causing bacteria and viruses. Bacteria and viruses in the saliva or blood of one person can be spread to another person by kissing. Some diseases are more easily spread than others. via

    What are the 5 modes of transmission?

    The modes (means) of transmission are: Contact (direct and/or indirect), Droplet, Airborne, Vector and Common Vehicle. The portal of entry is the means by which the infectious microorganisms gains access into the new host. via

    What is an antibiotic class 9?

    Antibiotics are medicines that fight bacterial infections in people and animals. They work by killing the bacteria or by making it hard for the bacteria to grow and multiply. via

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