Reference cards, P to R

Paracoccidioides brasiliensis Fungus · Latin American dimorphic 'mariner's wheel' fungus

Paragonimus westermani Parasite · Lung fluke from undercooked crab

Parainfluenza virus Virus · Leading cause of croup in children

Parvovirus B19 Virus · Small nonenveloped single-stranded DNA virus

Pasteurella multocida Bacterium · Cat/dog bite coccobacillus, rapid cellulitis

Pasteurization Concept · Mild heat to reduce pathogen load

PCR Lab method · Amplifies target nucleic acid

Pediculus (lice) Parasite · Blood-feeding lice; body louse is a disease vector

Pili and fimbriae Concept · Surface appendages for attachment and transfer

Plasmid Concept · Extrachromosomal self-replicating DNA loop

Plasmodium falciparum Parasite · Severe/cerebral malaria species

Plasmodium species Parasite · Malaria parasite with RBC stage clue

Pneumocystis jirovecii Fungus · Opportunistic fungal pneumonia vocabulary

Pneumocystis pneumonia Disease · PCP: dry cough and hypoxia in AIDS

Poliovirus Virus · Enterovirus of paralytic poliomyelitis

Polyenes Antimicrobial · Ergosterol-binding antifungal concept

Polymyxins (colistin) Antimicrobial · Cationic outer-membrane detergent

Porin Concept · Outer-membrane channel of Gram-negatives

Prions Concept · Misfolded protein, spongiform encephalopathy

Protease inhibitors Antimicrobial · Block viral polyprotein cleavage

Proteus mirabilis Bacterium · Urease-positive swarming rod

Pseudomonas aeruginosa Bacterium · Oxidase-positive nonfermenting rod

PYR test Lab method · Red = Group A strep and Enterococcus

Pyrazinamide Antimicrobial · Acid-pH prodrug via pncA activation

Quellung reaction Lab method · Antibody-induced capsular swelling

Quorum sensing Concept · Cell-density chemical communication

Rabies virus Virus · Bullet-shaped negative-sense RNA virus

Respiratory syncytial virus Virus · Enveloped negative-sense RNA virus

Reverse transcriptase inhibitors Antimicrobial · Block viral RNA-to-DNA copying

Rhinovirus Virus · Nonenveloped positive-sense RNA virus

Rickettsia rickettsii Bacterium · Obligate intracellular tick-borne bacterium

Rifamycins Antimicrobial · RNA polymerase antimicrobial concept

Rocky Mountain spotted fever Disease · Tick-borne rickettsial vasculitis with rash

Rotavirus Virus · Segmented double-stranded RNA virus

Rubella virus Virus · German measles and congenital rubella