Reference cards, U to Z

Ureaplasma urealyticum Bacterium · Cell-wall-free urease-positive genital mycoplasma

Urease test concept Lab method · Urea hydrolysis and pH-change vocabulary

Urinary tract infection Disease · Lower or upper urinary infection syndrome

Vaccine types Concept · Live, inactivated, subunit, toxoid, mRNA, vector

Vancomycin Antimicrobial · Glycopeptide cell-wall concept

Varicella-zoster virus Virus · Herpesvirus with latency/reactivation clue

Variola virus Virus · Smallpox agent, eradicated in 1980

Vector, reservoir, and definitive host Concept · Transmission ecology vocabulary

Vibrio cholerae Bacterium · Comma-shaped oxidase-positive rod

Vibrio parahaemolyticus Bacterium · Salt-loving seafood gastroenteritis vibrio

Vibrio vulnificus Bacterium · Marine vibrio, wound and shellfish sepsis

Viral hepatitis overview Disease · Hepatitis A-E: routes and chronicity

Viridans streptococci Bacterium · Alpha-hemolytic optochin-resistant oral strep

VRE Concept · Vancomycin-resistant enterococci

West Nile virus Virus · Culex flavivirus, neuroinvasive, birds

Western blot Lab method · Protein-specific antibody detection by size

Whooping cough Disease · Paroxysmal cough illness (pertussis)

Wright stain Lab method · Romanowsky blood-film stain, kin to Giemsa

Wuchereria bancrofti Parasite · Lymphatic filaria causing elephantiasis

Yellow fever virus Virus · Aedes flavivirus, jaundice, Councilman bodies

Yersinia enterocolitica Bacterium · Cold-tolerant enteric rod, pseudoappendicitis

Yersinia pestis Bacterium · Flea-borne plague, safety-pin bipolar rod

Zika virus Virus · Aedes flavivirus, congenital microcephaly

Zoonosis Concept · Infection transmitted from animals to humans