Book contents
- Frontmatter
- Introduction
- Part I Medicine and Disease: An Overview
- Part II Changing Concepts of Health and Disease
- Part III Medical Specialties and Disease Prevention
- Part IV Measuring Health
- Part V The History of Human Disease in the World Outside Asia
- Part VI The History of Human Disease in Asia
- Part VII The Geography of Human Disease
- Part VIII Major Human Diseases Past and Present
- VIII.1 Acquired Immune Deficiency Syndrome (AIDS)
- VIII.2 African Trypanosomiasis (Sleeping Sickness)
- VIII.3 Ainhum
- VIII.4 Alzheimer’s Disease
- VIII.5 Amebic Dysentery
- VIII.6 Anemia
- VIII.7 Anorexia Nervosa
- VIII.8 Anthrax
- VIII.9 Apoplexy and Stroke
- VIII.10 Arboviruses
- VIII.11 Arenaviruses
- VIII.12 Arthritis (Rheumatoid)
- VIII.13 Ascariasis
- VIII.14 Bacillary Dysentery
- VIII.15 Beriberi
- VIII.16 Black Death
- VIII.17 Black and Brown Lung Disease
- VIII.18 Bleeding Disorders
- VIII.19 Botulism
- VIII.20 Brucellosis
- VIII.21 Bubonic Plague
- VIII.22 Carrión’s Disease
- VIII.23 Catarrh
- VIII.24 Cestode Infections
- VIII.25 Chagas’ Disease
- VIII.26 Chlorosis
- VIII.27 Cholera
- VIII.28 Cirrhosis
- VIII.29 Clonorchiasis
- VIII.30 Croup
- VIII.31 Cystic Fibrosis
- VIII.32 Cytomegalovirus Infection
- VIII.33 Dengue
- VIII.34 Diabetes
- VIII.35 Diarrheal Diseases (Acute)
- VIII.36 Diphtheria
- VIII.37 Down Syndrome
- VIII.38 Dracunculiasis
- VIII.39 Dropsy
- VIII.40 Dysentery
- VIII.41 Dyspepsia
- VIII.42 Ebola Virus Disease
- VIII.43 Echinococcosis (Hydatidosis)
- VIII.44 Eclampsia
- VIII.45 Emphysema
- VIII.46 Encephalitis Lethargica
- VIII.47 Enterobiasis
- VIII.48 Epilepsy
- VIII.49 Ergotism
- VIII.50 Erysipelas
- VIII.51 Fascioliasis
- VIII.52 Fasciolopsiasis
- VIII.53 Favism
- VIII.54 Filariasis
- VIII.55 Fungus Infections (Mycoses)
- VIII.56 Fungus Poisoning
- VIII.57 Gallstones (Cholelithiasis)
- VIII.58 Gangrene
- VIII.59 Giardiasis
- VIII.60 Glomerulonephritis (Bright’s Disease)
- VIII.61 Goiter
- VIII.62 Gonorrhea
- VIII.63 Gout
- VIII.64 Herpes Simplex
- VIII.65 Herpesviruses
- VIII.66 Histoplasmosis
- VIII.67 Hookworm Disease
- VIII.68 Huntington’s Disease (Chorea)
- VIII.69 Hypertension
- VIII.70 Infectious Hepatitis
- VIII.71 Infectious Mononucleosis
- VIII.72 Inflammatory Bowel Disease
- VIII.73 Influenza
- VIII.74 Japanese B Encephalitis
- VIII.75 Lactose Intolerance and Malabsorption
- VIII.76 Lassa Fever
- VIII.77 Lead Poisoning
- VIII.78 Legionnaires’ Disease
- VIII.79 Leishmaniasis
- VIII.80 Leprosy
- VIII.81 Leptospirosis
- VIII.82 Leukemia
- VIII.83 Lupus Erythematosus
- VIII.84 Lyme Borreliosis (Lyme Disease)
- VIII.85 Malaria
- VIII.86 Marburg Virus Disease
- VIII.87 Mastoiditis
- VIII.88 Measles
- VIII.89 Meningitis
- VIII.90 Milk Sickness (Tremetol Poisoning)
- VIII.91 Multiple Sclerosis
- VIII.92 Mumps
- VIII.93 Muscular Dystrophy
- VIII.94 Myasthenia Gravis
- VIII.95 Nematode Infections
- VIII.96 Onchocerciasis
- VIII.97 Ophthalmia (Conjunctivitis and Trachoma)
- VIII.98 Osteoarthritis
- VIII.99 Osteoporosis
- VIII.100 Paget’s Disease of Bone
- VIII.101 Paragonimiasis
- VIII.102 Parkinson’s Disease
- VIII.103 Pellagra
- VIII.104 Periodontal Disease (Pyorrhea)
- VIII.105 Pica
- VIII.106 Pinta
- VIII.107 Plague of Athens
- VIII.108 Pneumocystis Pneumonia (Interstitial Plasma Cell Pneumonia, Pneumocystosis)
- VIII.109 Pneumonia
- VIII.110 Poliomyelitis
- VIII.111 Protein-Energy Malnutrition
- VIII.112 Protozoan Infections
- VIII.113 Puerperal Fever
- VIII.114 Q Fever
- VIII.115 Rabies
- VIII.116 Relapsing Fever
- VIII.117 Rheumatic Fever and Rheumatic Heart Disease
- VIII.118 Rickets and Osteomalacia
- VIII.119 Rickettsial Diseases
- VIII.120 Rocky Mountain Spotted Fever and the Spotted Fever Group Diseases
- VIII.121 Rubella
- VIII.122 St. Anthony’s Fire
- VIII.123 Scarlet Fever
- VIII.124 Schistosomiasis
- VIII.125 Scrofula (Scrophula)
- VIII.126 Scurvy
- VIII.127 Sickle-Cell Anemia
- VIII.128 Smallpox
- VIII.129 Streptococcal Diseases
- VIII.130 Strongyloidiasis
- VIII.131 Sudden Infant Death Syndrome
- VIII.132 Sudden Unexplained Death Syndrome (Asian)
- VIII.133 Sweating Sickness
- VIII.134 Syphilis
- VIII.135 Syphilis, Nonvenereal
- VIII.136 Tapeworm
- VIII.137 Tay-Sachs Disease
- VIII.138 Tetanus
- VIII.139 Tetanus, Neonatal
- VIII.140 Tetany
- VIII.141 Toxoplasmosis
- VIII.142 Trematode Infections
- VIII.143 Trench Fever
- VIII.144 The Treponematoses
- VIII.145 Trichinosis
- VIII.146 Trichuriasis
- VIII.147 Tuberculosis
- VIII.148 Tularemia
- VIII.149 Typhoid Fever
- VIII.150 Typhomalarial Fever
- VIII.151 Typhus, Epidemic
- VIII.152 Typhus, Murine
- VIII.153 Typhus, Scrub (Tsutsugamushi)
- VIII.154 Urolithiasis (Renal and Urinary Bladder Stone Disease)
- VIII.155 Varicella Zoster
- VIII.156 Whooping Cough
- VIII.157 Yaws
- VIII.158 Yellow Fever
- Indexes
- References
VIII.59 - Giardiasis
from Part VIII - Major Human Diseases Past and Present
Published online by Cambridge University Press: 28 March 2008
- Frontmatter
- Introduction
- Part I Medicine and Disease: An Overview
- Part II Changing Concepts of Health and Disease
- Part III Medical Specialties and Disease Prevention
- Part IV Measuring Health
- Part V The History of Human Disease in the World Outside Asia
- Part VI The History of Human Disease in Asia
- Part VII The Geography of Human Disease
- Part VIII Major Human Diseases Past and Present
- VIII.1 Acquired Immune Deficiency Syndrome (AIDS)
- VIII.2 African Trypanosomiasis (Sleeping Sickness)
- VIII.3 Ainhum
- VIII.4 Alzheimer’s Disease
- VIII.5 Amebic Dysentery
- VIII.6 Anemia
- VIII.7 Anorexia Nervosa
- VIII.8 Anthrax
- VIII.9 Apoplexy and Stroke
- VIII.10 Arboviruses
- VIII.11 Arenaviruses
- VIII.12 Arthritis (Rheumatoid)
- VIII.13 Ascariasis
- VIII.14 Bacillary Dysentery
- VIII.15 Beriberi
- VIII.16 Black Death
- VIII.17 Black and Brown Lung Disease
- VIII.18 Bleeding Disorders
- VIII.19 Botulism
- VIII.20 Brucellosis
- VIII.21 Bubonic Plague
- VIII.22 Carrión’s Disease
- VIII.23 Catarrh
- VIII.24 Cestode Infections
- VIII.25 Chagas’ Disease
- VIII.26 Chlorosis
- VIII.27 Cholera
- VIII.28 Cirrhosis
- VIII.29 Clonorchiasis
- VIII.30 Croup
- VIII.31 Cystic Fibrosis
- VIII.32 Cytomegalovirus Infection
- VIII.33 Dengue
- VIII.34 Diabetes
- VIII.35 Diarrheal Diseases (Acute)
- VIII.36 Diphtheria
- VIII.37 Down Syndrome
- VIII.38 Dracunculiasis
- VIII.39 Dropsy
- VIII.40 Dysentery
- VIII.41 Dyspepsia
- VIII.42 Ebola Virus Disease
- VIII.43 Echinococcosis (Hydatidosis)
- VIII.44 Eclampsia
- VIII.45 Emphysema
- VIII.46 Encephalitis Lethargica
- VIII.47 Enterobiasis
- VIII.48 Epilepsy
- VIII.49 Ergotism
- VIII.50 Erysipelas
- VIII.51 Fascioliasis
- VIII.52 Fasciolopsiasis
- VIII.53 Favism
- VIII.54 Filariasis
- VIII.55 Fungus Infections (Mycoses)
- VIII.56 Fungus Poisoning
- VIII.57 Gallstones (Cholelithiasis)
- VIII.58 Gangrene
- VIII.59 Giardiasis
- VIII.60 Glomerulonephritis (Bright’s Disease)
- VIII.61 Goiter
- VIII.62 Gonorrhea
- VIII.63 Gout
- VIII.64 Herpes Simplex
- VIII.65 Herpesviruses
- VIII.66 Histoplasmosis
- VIII.67 Hookworm Disease
- VIII.68 Huntington’s Disease (Chorea)
- VIII.69 Hypertension
- VIII.70 Infectious Hepatitis
- VIII.71 Infectious Mononucleosis
- VIII.72 Inflammatory Bowel Disease
- VIII.73 Influenza
- VIII.74 Japanese B Encephalitis
- VIII.75 Lactose Intolerance and Malabsorption
- VIII.76 Lassa Fever
- VIII.77 Lead Poisoning
- VIII.78 Legionnaires’ Disease
- VIII.79 Leishmaniasis
- VIII.80 Leprosy
- VIII.81 Leptospirosis
- VIII.82 Leukemia
- VIII.83 Lupus Erythematosus
- VIII.84 Lyme Borreliosis (Lyme Disease)
- VIII.85 Malaria
- VIII.86 Marburg Virus Disease
- VIII.87 Mastoiditis
- VIII.88 Measles
- VIII.89 Meningitis
- VIII.90 Milk Sickness (Tremetol Poisoning)
- VIII.91 Multiple Sclerosis
- VIII.92 Mumps
- VIII.93 Muscular Dystrophy
- VIII.94 Myasthenia Gravis
- VIII.95 Nematode Infections
- VIII.96 Onchocerciasis
- VIII.97 Ophthalmia (Conjunctivitis and Trachoma)
- VIII.98 Osteoarthritis
- VIII.99 Osteoporosis
- VIII.100 Paget’s Disease of Bone
- VIII.101 Paragonimiasis
- VIII.102 Parkinson’s Disease
- VIII.103 Pellagra
- VIII.104 Periodontal Disease (Pyorrhea)
- VIII.105 Pica
- VIII.106 Pinta
- VIII.107 Plague of Athens
- VIII.108 Pneumocystis Pneumonia (Interstitial Plasma Cell Pneumonia, Pneumocystosis)
- VIII.109 Pneumonia
- VIII.110 Poliomyelitis
- VIII.111 Protein-Energy Malnutrition
- VIII.112 Protozoan Infections
- VIII.113 Puerperal Fever
- VIII.114 Q Fever
- VIII.115 Rabies
- VIII.116 Relapsing Fever
- VIII.117 Rheumatic Fever and Rheumatic Heart Disease
- VIII.118 Rickets and Osteomalacia
- VIII.119 Rickettsial Diseases
- VIII.120 Rocky Mountain Spotted Fever and the Spotted Fever Group Diseases
- VIII.121 Rubella
- VIII.122 St. Anthony’s Fire
- VIII.123 Scarlet Fever
- VIII.124 Schistosomiasis
- VIII.125 Scrofula (Scrophula)
- VIII.126 Scurvy
- VIII.127 Sickle-Cell Anemia
- VIII.128 Smallpox
- VIII.129 Streptococcal Diseases
- VIII.130 Strongyloidiasis
- VIII.131 Sudden Infant Death Syndrome
- VIII.132 Sudden Unexplained Death Syndrome (Asian)
- VIII.133 Sweating Sickness
- VIII.134 Syphilis
- VIII.135 Syphilis, Nonvenereal
- VIII.136 Tapeworm
- VIII.137 Tay-Sachs Disease
- VIII.138 Tetanus
- VIII.139 Tetanus, Neonatal
- VIII.140 Tetany
- VIII.141 Toxoplasmosis
- VIII.142 Trematode Infections
- VIII.143 Trench Fever
- VIII.144 The Treponematoses
- VIII.145 Trichinosis
- VIII.146 Trichuriasis
- VIII.147 Tuberculosis
- VIII.148 Tularemia
- VIII.149 Typhoid Fever
- VIII.150 Typhomalarial Fever
- VIII.151 Typhus, Epidemic
- VIII.152 Typhus, Murine
- VIII.153 Typhus, Scrub (Tsutsugamushi)
- VIII.154 Urolithiasis (Renal and Urinary Bladder Stone Disease)
- VIII.155 Varicella Zoster
- VIII.156 Whooping Cough
- VIII.157 Yaws
- VIII.158 Yellow Fever
- Indexes
- References
Summary
Infection with the small flagellate Giardia lamblia is found around the world. This protozoan inhabits the small intestine of humans and is especially common in children. Other mammals, including beavers and muskrats, also harbor Giardia and are important reservoir hosts. The parasite was first seen by Anton van Leeuwenhoek in 1681 and described scientifically in 1859.
Adult parasites, the trophozoites, attach to the intestinal wall with sucking disks. As trophozoites detach and pass down the intestinal tract, they transform themselves into cysts that are able to resist many environmental pressures, including water filtration and chlorination. Humans almost always acquire infection by swallowing fecally contaminated food or water. In developed countries, many cases of giardiasis have been traced to campers who have drunk from what appeared to be pure wilderness streams, but that had been contaminated by animals. Because the cysts are surprisingly resistant to normal water purification methods, public water supplies can become infected by faulty sewer lines, as happened in two fashionable Colorado ski resorts in 1964 and 1978. Giardiasis is a frequent cause of “traveler’s diarrhea,” and tourist groups in Leningrad have suffered well-publicized outbreaks. In 1983, 22 of New York City’s 55 police and fire department scuba divers had Giardia, presumably from the heavily polluted waters of the harbor. Four percent of 1 million stool samples submitted to state laboratories in the United States from 1977 to 1981 were positive for Giardia. Prevalence rates in developing countries range from 8 to 20 percent and higher.
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- Publisher: Cambridge University PressPrint publication year: 1993