D2I2.

Immune System

126 diseases · 35 high-burden in India

Allergic rhinitis

Allergic rhinitis, of which the seasonal type is called hay fever, is a type of…

Brucellosis

Brucellosis is a zoonosis spread primarily via ingestion of unpasteurized milk from…

Chikungunya

Chikungunya is an infection caused by the chikungunya virus. The most common symptoms are…

Chromoblastomycosis

Chromoblastomycosis is a long-term fungal infection of the skin and subcutaneous tissue.

COVID-19

Coronavirus disease 2019 (COVID-19) is a contagious disease caused by the coronavirus…

Crimean–Congo haemorrhagic fever

Crimean–Congo hemorrhagic fever (CCHF) is a viral disease. Symptoms of CCHF may include…

Cutaneous leishmaniasis

Cutaneous leishmaniasis is the most common form of leishmaniasis affecting humans. It is…

Dengue fever

Dengue fever is a mosquito-borne disease caused by dengue virus, prevalent in tropical…

Diphtheria

Diphtheria is an infection caused by the bacterium Corynebacterium diphtheriae. Most…

Gas gangrene

Gas gangrene is a bacterial infection that produces tissue gas in gangrene. This deadly…

HIV / AIDS

The human immunodeficiency virus (HIV) is a retrovirus that attacks the immune system.…

Indian tick typhus

Boutonneuse fever is a fever as a result of a rickettsial infection caused by the…

Kala-azar (visceral leishmaniasis)

Visceral leishmaniasis (VL), also known as kala-azar or "black fever", is the most severe…

Kikuchi disease

Kikuchi disease was described in 1972 in Japan. It is also known as histiocytic…

Kyasanur Forest disease (monkey fever)

Kyasanur forest disease (KFD) is a tick-borne viral haemorrhagic fever endemic to…

Leptospirosis

Leptospirosis is a blood infection caused by bacteria of the genus Leptospira that can…

Lymphatic filariasis

Lymphatic filariasis is a human disease caused by parasitic worms known as filarial…

Malaria

Malaria is a mosquito-borne infectious disease that is transmitted by the bite of…

Measles

Measles is a highly contagious, vaccine-preventable infectious disease caused by measles…

Melioidosis

Melioidosis is an infectious disease caused by a gram-negative bacterium called…

Mpox (monkeypox)

Mpox is an infectious viral disease that can occur in humans and other animals. Symptoms…

Murine typhus

Murine typhus, also known as endemic typhus or flea-borne typhus, is a form of typhus…

Mycobacterium avium complex infection

Mycobacterium avium complex is a group of mycobacteria comprising Mycobacterium…

Plague

Plague is an infectious disease caused by the bacterium Yersinia pestis. Symptoms include…

Poliomyelitis

Poliomyelitis, commonly shortened to polio, is an infectious disease caused by the…

Rabies

Rabies is a zoonotic viral disease that causes acute and severe encephalitis in humans…

Rat-bite fever

Rat-bite fever (RBF) is an acute, febrile human illness caused by bacteria transmitted by…

Roseola

Roseola, also known as sixth disease, is an infectious disease caused by certain types of…

Rubella (German measles)

Rubella, also known as German measles or three-day measles, is a vaccine-preventable…

Scrub typhus

Scrub typhus or bush typhus is a form of typhus caused by the intracellular parasite…

Sepsis

Sepsis is a potentially life-threatening condition that arises when the body's…

Snakebite envenomation

A snakebite is an injury caused by the bite of a snake, especially a venomous snake. A…

Tropical pulmonary eosinophilia

Tropical pulmonary eosinophilia is characterized by cough, bronchospasm, wheezing,…

West Nile fever

West Nile fever is an infection by the West Nile virus, which is typically spread by…

Yaws

Yaws is a tropical infection of the skin, bones, and joints caused by the spirochete…

Actinomycosis

Actinomycosis is a rare and chronic infectious bacterial disease caused by the…

Allergies

An allergy is an exaggerated immune response where the body mistakenly identifies an…

Amyloidosis

Amyloidosis is a group of diseases in which abnormal proteins, known as amyloid fibrils,…

Anthrax

Anthrax is an infection caused by the bacterium Bacillus anthracis or Bacillus cereus…

Ataxia–telangiectasia

Ataxia–telangiectasia, also referred to as ataxia–telangiectasia syndrome or Louis-Bar…

Autoimmune disease (overview)

An autoimmune disease is a condition causing disease that results from an anomalous…

Autoimmune lymphoproliferative syndrome

Autoimmune lymphoproliferative syndrome (ALPS) is a form of lymphoproliferative disorder…

Autoimmune polyendocrine syndrome

Autoimmune polyendocrine syndromes (APSs), also called polyglandular autoimmune syndromes…

Autoimmune polyendocrine syndrome type 1

Autoimmune polyendocrine syndrome type 1 (APS-1), is a subtype of autoimmune…

Babesiosis

Babesiosis or piroplasmosis is a malaria-like parasitic disease caused by infection with…

Bartonellosis

Bartonellosis is an infectious disease caused by bacteria of the genus Bartonella.…

Behçet's disease

Behçet's disease or Behçet's syndrome is a type of inflammatory disorder which affects…

Bejel

Bejel, or endemic syphilis, is a chronic skin and tissue disease caused by infection by…

Blastomycosis

Blastomycosis, also known as Gilchrist's disease, is a fungal infection, typically of the…

Botulism

Botulism is a rare and potentially fatal illness caused by botulinum toxin, which is…

Brill–Zinsser disease

Brill–Zinsser disease is a delayed relapse of epidemic typhus, caused by Rickettsia…

Castleman disease

Castleman disease (CD) describes a group of rare lymphoproliferative disorders that…

Cat-scratch disease

Cat-scratch disease (CSD) is an infectious disease that most often results from a scratch…

Chagas disease

Chagas disease, also known as American trypanosomiasis, is a tropical parasitic disease…

Chickenpox

Chickenpox, also known as varicella, is a highly contagious disease caused by varicella…

Chronic granulomatous disease

Chronic granulomatous disease (CGD), also known as Bridges–Good syndrome, chronic…

Chronic mucocutaneous candidiasis

Chronic mucocutaneous candidiasis is an immune disorder of T cells. It is characterized…

Coccidioidomycosis

Coccidioidomycosis is a mammalian fungal disease caused by Coccidioides immitis or…

Common variable immunodeficiency

Common variable immunodeficiency (CVID) is an inborn immune disorder characterized by…

Complement deficiency

Complement deficiency is an immunodeficiency of absent or suboptimal functioning of one…

Cryopyrin-associated periodic syndrome

Cryopyrin-associated periodic syndrome (CAPS) is a group of rare, heterogeneous…

Cryptococcosis

Cryptococcosis is a potentially fatal fungal infection of mainly the lungs, presenting as…

Cyclic neutropenia

Cyclic neutropenia (CyN) is a rare hematologic disorder and form of congenital…

Cytomegalovirus infection

Cytomegalovirus (CMV) is a genus of viruses in the order Herpesvirales, in the family…

DiGeorge syndrome

DiGeorge syndrome, also known as 22q11.2 deletion syndrome, is a genetic disorder caused…

DOCK8 deficiency

DOCK8 deficiency, also called DOCK8 immunodeficiency syndrome, is the autosomal recessive…

DRESS syndrome

Drug rash with eosinophilia and systemic symptoms or drug reaction with eosinophilia and…

Ebola virus disease

Ebola, also known as Ebola virus disease (EVD) and Ebola hemorrhagic fever (EHF), is a…

Epidemic typhus

Epidemic typhus, also known as louse-borne typhus, is a form of typhus so named because…

Erdheim–Chester disease

Erdheim–Chester disease (ECD) is an extremely rare disease classified as a…

Fabry disease

Fabry disease, also known as Anderson–Fabry disease, is a rare genetic disease that can…

Fifth disease (erythema infectiosum)

Fifth disease, also known as erythema infectiosum and slapped cheek syndrome, is a common…

Food allergy

A food allergy is an abnormal immune response to food. The symptoms of the allergic…

Glanders

Glanders is a contagious, zoonotic infectious disease caused by the bacterium…

Glandular fever (mono)

Infectious mononucleosis, also known as glandular fever, is an infection usually caused…

Good syndrome

Thymoma with immunodeficiency is a rare disorder that occurs in adults in whom…

Graft-versus-host disease

Graft-versus-host disease (GvHD) is a syndrome, characterized by inflammation in…

Griscelli syndrome

Griscelli syndrome is a rare autosomal recessive disorder characterized by albinism…

Hantavirus (HFRS)

Hantavirus hemorrhagic fever with renal syndrome (HFRS) is a hemorrhagic fever caused by…

Hereditary angioedema

Hereditary angioedema (HAE) is a rare disease that results in recurrent attacks of severe…

Hermansky–Pudlak syndrome

Heřmanský–Pudlák syndrome is an extremely rare autosomal recessive disorder which results…

Histoplasmosis

Histoplasmosis is a fungal infection caused by Histoplasma capsulatum. Symptoms of this…

Hurler syndrome (MPS I)

Hurler syndrome, also known as mucopolysaccharidosis Type IH (MPS-IH), Hurler's disease,…

Hyper-IgD syndrome

Mevalonate kinase deficiency (MKD) is an autosomal recessive metabolic disorder that…

Hyper-IgE syndrome

Hyperimmunoglobulinemia E syndrome (HIES), of which the autosomal dominant form is called…

Hyper-IgM syndrome

Hyper IgM syndrome is a group of rare primary immune deficiency disorders characterized…

IgG4-related disease

IgG4-related disease (IgG4-RD), formerly known as IgG4-related systemic disease, is a…

IPEX syndrome

Immunodysregulation polyendocrinopathy enteropathy X-linked syndrome is a rare autoimmune…

Kawasaki disease

Kawasaki disease is a syndrome of unknown cause that results in a fever and mainly…

Lassa fever

Lassa fever, also known as Lassa hemorrhagic fever, is a type of viral hemorrhagic fever…

Lemierre's syndrome

Lemierre's syndrome is infectious thrombophlebitis of the internal jugular vein. It most…

Leukocyte adhesion deficiency

Leukocyte adhesion deficiency (LAD) is a rare autosomal recessive disorder characterized…

Listeriosis

Listeriosis is a bacterial infection most commonly caused by Listeria monocytogenes,…

Lyme disease

Lyme disease, also known as Lyme borreliosis, is a tick-borne disease caused by species…

Lymphogranuloma venereum

Lymphogranuloma venereum is a sexually transmitted infection caused by the invasive…

Macrophage activation syndrome

Macrophage activation syndrome is a severe, potentially life-threatening, complication of…

Marburg virus disease

Marburg virus disease (MVD), formerly known as Marburg hemorrhagic fever (MHF), is a…

Mumps

Mumps is a highly contagious, vaccine-preventable viral disease caused by the mumps…

Nijmegen breakage syndrome

Nijmegen breakage syndrome (NBS) is a rare autosomal recessive congenital disorder…

Omenn syndrome

Omenn syndrome is an autosomal recessive severe combined immunodeficiency. It is…

Pinta

Pinta is a human, skin disease caused by infection with the spirochete Treponema…

Pompe disease

Glycogen storage disease type II (GSD-II), also called Pompe disease, and formerly known…

Psittacosis

Psittacosis, also known as parrot fever or ornithosis, is a zoonotic infectious disease…

Q fever

Q fever or query fever is a disease caused by infection with Coxiella burnetii, a…

Relapsing fever

Relapsing fever is a vector-borne disease caused by infection with certain bacteria in…

Rift Valley fever

Rift Valley fever (RVF) is a viral disease of humans and livestock that can cause mild to…

Rosai–Dorfman disease

Rosai–Dorfman disease, also known as sinus histiocytosis with massive lymphadenopathy or…

Scarlet fever

Scarlet fever, also known as scarlatina and scarlatiniform rash, is an infectious disease…

Schistosomiasis

Schistosomiasis, also known as snail fever, bilharzia, and Katayama fever is a neglected…

Schnitzler syndrome

Schnitzler syndrome or Schnitzler's syndrome is a rare disease characterised by onset…

Scleroderma

Systemic scleroderma, or systemic sclerosis, is an autoimmune rheumatic disease…

Selective IgA deficiency

Selective immunoglobulin A (IgA) deficiency (SIgAD) is a kind of immunodeficiency, a type…

Serum sickness

Serum sickness in humans is a reaction to proteins in antiserum derived from a non-human…

Severe combined immunodeficiency

Severe combined immunodeficiencies (SCIDs) are a rare group of genetic disorders…

Sjögren syndrome

Sjögren's disease (SjD), previously known as Sjögren syndrome or Sjögren's syndrome, is a…

Talaromycosis

Talaromycosis is a fungal infection that presents with painless skin lesions of the face…

Tick-borne encephalitis

Tick-borne encephalitis (TBE) is a viral infectious disease involving the central nervous…

TNF receptor associated periodic syndrome

TNF receptor associated periodic syndrome (TRAPS) is a periodic fever syndrome associated…

Toxic shock syndrome

Toxic shock syndrome (TSS) is a condition caused by bacterial toxins. Symptoms may…

Toxoplasmosis

Toxoplasmosis is a parasitic disease caused by Toxoplasma gondii, an apicomplexan.…

Tularemia

Tularemia, also known as rabbit fever, is an infectious disease caused by the bacterium…

WHIM syndrome

WHIM syndrome is a rare congenital immunodeficiency disorder characterized by chronic…

Wiskott–Aldrich syndrome

Wiskott–Aldrich syndrome (WAS) is a rare X-linked recessive disease characterized by…

X-linked agammaglobulinemia

X-linked agammaglobulinemia (XLA) is a rare genetic disorder that affects the body's…

Yellow fever

Yellow fever is a viral disease of typically short duration. In most cases, symptoms…

Zika virus

Zika fever, also known as Zika virus disease or simply Zika, is an infectious disease…

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