NLM Classification Schedule WC

QS QT QU QV QW QX QY QZ W WA WB WC WD WE WF WG WH WI WJ WK WL WM WN WO WP WQ WR WS WT WU WV WW WX WY WZ

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WC Communicable Diseases
	Classify here all major systemic infectious diseases with the exception of tuberculosis, which classes in WF 200-415. A few infectious diseases, usually local in character, are classed with the part affected, e.g., those classed in Dermatology, WR 220-245. Classify diseases for which no specific class number exists here on the basis of likeness, e.g., pseudoglanders with glanders in WC 330. Note that some related diseases are classed together regardless of the affecting organism, e.g., the pneumonias (WC 202-209) and the dysenteries (WC 280-285). Classify works on an infection which affects a single organ with the organ.
	WC 1-100 Reference Works. General Works
	WC 140-185 Sexually Transmitted Diseases
	WC 195 General Infection
	WC 195-425 Infection. Bacterial Infections
	WC 200-255 Bacterial Infections
	WC 260-290 Enteric Infections
	WC 302-425 Other Bacterial Infections. Zoonotic Bacterial Infections
	WC 450-475 Fungal Infections
	WC 500-593 Virus Diseases
	WC 500 General Virus Diseases
	WC 501-502 General RNA Virus Infections
	WC 503-503.7 Acquired Immunodeficiency Syndrome. HIV Infections
	WC 505-520 Viral Respiratory Tract Infections. Respirovirus Infections
	WC 522-532 Infectious Mononucleosis. Arbovirus Infections
	WC 534-556 Viral Hemorrhagic Fevers. Other Virus Diseases
	WC 570-593 Infectious Viral Skin Diseases
	WC 600-660 Rickettsial Infections. Chlamydial Infections
	WC 680-950 Tropical and Parasitic Diseases
	Reference Works. General Works

WC 1	Societies (Cutter from name of society) (Used for both monographs and serials)
	Includes ephemeral membership lists issued serially or separately. Classify substantial lists with directories. Classify annual reports, journals, etc., in W1.
	Collected works (General)
WC 5	By several authors
WC 7	By individual authors

WC 9	Addresses. Essays. Lectures (General)

WC 11	History (General) (Table G)
	Classify history of a single infectious disease with the disease.
WC 11.1	General coverage (Not Table G)

WC 13	Dictionaries. Encyclopedias (Used for both monographs and serials)

WC 15	Classification. Terminology (Used for both monographs and serials)

WC 16	Tables. Statistics (Used for both monographs and serials)

WC 17	Atlases. Pictorial works
	Classify here also atlases on single infectious diseases.

WC 18	Education
	Classify here works about education.

WC 18.2	Educational materials (Used for both monographs and serials)
	Classify here educational materials, e.g., outlines, questions and answers, programmed instruction, catalogs, computer-assisted instruction, etc., regardless of format. Classify textbooks, regardless of format, by subject.

WC 19	Schools, colleges, and specialized departments and facilities (Used for both monographs and serials)

WC 20	Research (General)
	Classify here works about research in general. Classify works about research on a particular subject by subject.

WC 22	Directories (Table G) (Used for both monographs and serials)
WC 22.1	General coverage (Not Table G) (Used for both monographs and serials)
	Laboratories, institutes, etc.
WC 23	Collective
WC 24	Individual (Cutter from name of institution)

WC 25	Laboratory manuals. Technique

WC 26	Equipment and supplies
	Classify catalogs in W 26.

WC 26.5	Informatics. Automatic data processing. Computers (General)
	Classify works on use for special subjects by subject.
	Isolation and quarantine hospitals. Clinics, dispensaries, etc. Leper colonies
WC 27	Collective (Table G)
WC 27.1	General coverage (Not Table G)
WC 28	Individual (Cutter from name of hospital) (Table G)
	Museums, exhibitions, etc.
WC 28.5	Collective
WC 28.6	Individual (Cutter from name of museum, etc.)

[WC 32]	[This number not used]
	Classify laws relating to infectious diseases in WA 32.

[WC 33]	[This number not used]
	Classify discussion of laws relating to infectious diseases in WA 33.

WC 39	Handbooks. Resource guides (Used for both monographs and serials)

WC 100	General works
	Sexually Transmitted Diseases

WC 140	Sexually transmitted diseases
	Classify works on AIDS and HIV infections in WC 503-503.7.
WC 142	Public health control measures (e.g., Contact tracing)
WC 144	Prevention
WC 150	Gonorrhea
	Classify works on gonorrhea in the female in WP 157.
WC 155	Chancroid
WC 160	Syphilis
WC 161	Congenital
WC 162	Primary. Secondary
WC 164	Tertiary
WC 165	Neurosyphilis
	Cf. WM 220 for general works on organic psychoses.
WC 168	Cardiovascular

[WC 169]	[This number not used]
	Classify gummatous lesions in WC 165.
WC 170	Treatment
WC 180	Granuloma inguinale
WC 185	Lymphogranuloma venereum
	General Infection Infection. Bacterial Infections

WC 195	Infection. Cross infection. Laboratory infection
	Cf. WX 167 for prevention and control of cross infection in hospitals; WU 29 for prevention and control of cross infection in dental health facilities or in the provision of dental care.
	Bacterial Infections

WC 200	Bacterial infections (General or not elsewhere classified)
	Classify works on localized bacterial infections by site.
WC 202	Pneumonia (General or not elsewhere classified)
WC 204	Pneumococcal pneumonia. Staphylococcal pneumonia
WC 207	Viral pneumonia
WC 209	Aspiration pneumonia
WC 210	Streptococcal infections (General or not elsewhere classified)
	Classify works on endocarditis in WG 285; on impetigo in WR 225.
WC 214	Scarlet fever
WC 217	Pneumococcal infections
	Classify works on lobar pneumonia in WC 204.
WC 220	Rheumatic fever. Chorea in rheumatic fever
	Classify works on rheumatic heart disease in WG 240.
WC 230	Focal infection
	Cf. WU 290 in dentistry.
WC 234	Erysipelas
WC 240	Bacteremia. Sepsis. Toxemias
	Classify works on pregnancy toxemias in WQ 215.
WC 242	Listeria infections
WC 245	Meningococcal infections
WC 246	Mycoplasmatales infections
WC 250	Staphylococcal infections
	Classify works on infectious skin diseases in WR; on hordeolum in WW 205; on staphylococcal pneumonia in WC 204; on food poisoning in WC 268.
WC 255	Wound infection
	Cf. WO 185 Surgical wound infection.
	Enteric Infections
WC 260	Enterobacteriaceae and other enteric infections
	Classify works on Yersinia infections in WC 350.
WC 262	Cholera
WC 264	Epidemics
WC 266	Paratyphoid fevers
WC 268	Bacterial food poisoning
	Classify works on contamination of food by specific chemicals with the chemical involved. Classify works on food poisoning caused by pesticides in WA 240. Classify works on plant poisoning in WD 500-530.
WC 269	Salmonella infections
	Classify works on salmonella food poisoning in WC 268; on paratyphoid fevers in WC 266.
WC 270	Typhoid fever
WC 280	Dysentery
WC 282	Bacillary dysentery
WC 285	Amebic dysentery. Amebiasis
	Classify works on amebic liver abscess in WI 730.
WC 290	Escherichia coli infections
	Other Bacterial Infections. Zoonotic Bacterial Infections
WC 302	Actinomycetales infections. Mycobacterium infections
	Classify works on leprosy in WC 335; on maduromycosis in WR 340; on tuberculosis in WF, etc.
WC 305	Anthrax
WC 310	Brucellosis
WC 318	Corynebacterium infections
WC 320	Diphtheria
WC 330	Pseudomonas infections. Glanders
WC 335	Leprosy
WC 340	Bordetella infections. Whooping cough
WC 350	Yersinia infections. Plague
WC 355	Epidemics
WC 368	Clostridium infections
	Classify works on botulism in WC 268; on bacillary hemoglobinuria in WJ 344.
WC 370	Tetanus. Trismus
WC 375	Gas gangrene
WC 380	Tularemia
WC 390	Rat-bite fever
WC 400	Spirochaetales infections

[WC 405]	[This number not used]
	Classify rat-bite fever (sodoku) in WC 390.
WC 406	Borrelia infections. Lyme disease
WC 410	Relapsing fever
WC 420	Leptospirosis. Weil disease
WC 422	Treponemal infections
	Classify works on syphilis in WC 160-170.
WC 425	Yaws
	Fungal Infections

WC 450	Mycoses (General or not elsewhere classified)
	Classify works on dermatomycoses in WR 300-340; on fungal lung diseases in WF 652.
WC 460	Coccidioidomycosis. Paracoccidioidomycosis
WC 465	Histoplasmosis
WC 470	Candidiasis
	Classify works on cutaneous candidiasis in WR 300.
WC 475	Cryptococcosis. Sporotrichosis
	Virus Diseases General Virus Diseases

WC 500	Virus diseases (General or not elsewhere classified)
	General RNA Virus Infections
WC 501	RNA virus infections (General or not elsewhere classified)
WC 502	Retroviridae infections (General or not elsewhere classified)
	Acquired Immunodeficiency Syndrome. HIV Infections
WC 503	Acquired immunodeficiency syndrome. HIV infections
WC 503.1	Diagnosis
WC 503.2	Therapy
WC 503.3	Etiology. Transmission
WC 503.4	Epidemiology (Table G)
WC 503.41	General coverage (Not Table G)
WC 503.5	Complications
WC 503.6	Prevention and control
WC 503.7	Psychosocial aspects
	Viral Respiratory Tract Infections. Respirovirus Infections
WC 505	Viral respiratory tract infections (General or not elsewhere classified)
WC 510	Common cold
WC 512	Orthomyxoviridae infections (General or not elsewhere classified)
WC 515	Human influenza
WC 518	Respirovirus Infections (General or not elsewhere classified)
	Classify works on measles in WC 580.
WC 520	Mumps
	Infectious Mononucleosis. Arbovirus Infections
WC 522	Infectious mononucleosis
WC 524	Arbovirus infections (General or not elsewhere classified)
	Classify works on arbovirus encephalitis in WC 542; on lymphocytic choriomeningitis in WC 540.

[WC 525]	[This number not used]
	Classify psittacosis [ornithosis] in WC 660.
WC 526	Phlebotomus fever
WC 528	Dengue
WC 530	Yellow fever
WC 532	Epidemics
	Viral Hemorrhagic Fevers. Other Virus Diseases
WC 534	Viral hemorrhagic fevers
WC 536	Human viral hepatitis
WC 540	Neurotropic virus diseases (General or not elsewhere classified)
WC 542	Arbovirus encephalitis. Equine encephalomyelitis (in humans)
	Classify works on encephalomyelitis of the horse in SF 959.E5.
WC 550	Rabies
WC 555	Poliomyelitis
WC 556	Prevention and control
	Infectious Viral Skin Diseases
WC 570	Infectious viral skin diseases (General or not elsewhere classified)
WC 571	Herpesviridae infections (General or not elsewhere classified)
	Classify works on infectious mononucleosis in WC 522; on Burkitt's lymphoma in WH 525; on other infections with no skin manifestations in WC 500.
WC 572	Chickenpox
WC 575	Herpes zoster
WC 578	Herpes simplex
WC 580	Measles
WC 582	Rubella
WC 584	Poxviridae infections (General or not elsewhere classified)
WC 585	Smallpox
WC 588	Prevention and control
WC 590	Epidemics
[WC 593]	[This number not used]
	Classify cat-scratch disease in WC 640.
	Rickettsial Infections. Chlamydial Infections

WC 600	Rickettsiaceae infections. Chlamydiaceae infections. Tick-borne diseases (General or not elsewhere classified)
WC 602	Trench fever
WC 605	Epidemic louse-borne typhus
WC 610	Epidemics
WC 615	Endemic flea-borne typhus
WC 620	Rocky Mountain spotted fever
WC 625	Other tick-borne rickettsial infections (e.g., Q fever)
WC 630	Scrub typhus
WC 635	Other mite-borne rickettsial infections
WC 640	Bartonellaceae infections
WC 660	Psittacosis
	Tropical and Parasitic Diseases

WC 680	Tropical diseases (General)
	Cf. WR 350 Tropical diseases of the skin.

WC 695	Parasitic diseases (General or not elsewhere classified)
	Classify general works on localized infections by site, e.g., Parasitic skin diseases in WR 345.
WC 698	Parasitic intestinal diseases (General or not elsewhere classified)
	Classify works on amebic dysentery in WC 285.
WC 700	Protozoan infections (General or not elsewhere classified)
	Classify works on amebiasis in WC 285; on trichomonas vaginitis in WP 258. See also other localized infections indexed.
WC 705	Trypanosomiasis
WC 715	Visceral leishmaniasis
	Classify general works on leishmaniasis and on mucocutaneous leishmaniasis in WR 350.
WC 725	Toxoplasmosis (General or not elsewhere classified)
WC 730	Coccidiosis
WC 735	Balantidiasis
WC 750	Malaria
WC 755	Epidemiology (Table G)
WC 755.1	General coverage (Not Table G)
WC 765	Prevention and control
WC 770	Therapy
WC 800	Helminthiasis (General or not elsewhere classified)
WC 805	Trematode infections (General or not elsewhere classified)
WC 810	Schistosomiasis

[WC 825]	[This number not used]
	Classify Cestode infections in WC 830.
WC 830	Cestode infections (General or not elsewhere classified)
WC 838	Cysticercosis. Taeniasis
WC 840	Echinococcosis
	Classify works on hepatic echinococcosis in WI 700; on pulmonary echinococcosis in WF 600.
WC 850	Nematode infections (General or not elsewhere classified)
WC 855	Trichinosis
WC 860	Trichuriasis. Oxyuriasis
WC 865	Strongyloidiasis
WC 870	Ascariasis
WC 880	Filariasis and related conditions (General or not elsewhere classified)
WC 885	Onchocerciasis
WC 890	Hookworm infections (General or not elsewhere classified)
WC 900	Ectoparasitic infestations, disinfestation (General or not elsewhere classified)
	Classify works on lice infestations in WR 375; on scabies in WR 365 or if veterinary in SF 810. Cf. WC 625 and WC 635 for tick and mite-borne rickettsial infections.

WC 950	Zoonoses (General)
	Classify work on specific diseases of animals in SF.