virulence, infectivity, trichinella, pathogen, arboviruses, coli, bacteroides, herpesviruses, transmissibility, mycobacterium, replicon, poxvirus, l. monocytogenes, mycobacteria, penetrance, neisseria gonorrhoeae, immunoreactivity, ciliates, arbovirus, borrelia, tubercle bacillus, cytotoxicity, staphylococci, arginase, genotypes, enteric bacteria, enterococcus, glycosylation, homozygote, suppressor gene, phagocytosis, bacterium, trypanosomes, mycobacterium leprae, symbiont, viraemia, isoenzymes, paramyxoviruses, commensal, chlamydial, flavivirus, falciparum, mycobacterium tuberculosis, haemagglutinin, vivax, rickettsial, endemism, francisella tularensis, brucella, viremia, aspergillosis, lactobacilli, lassa virus, proteinase, trypanosome, cellularity, mycoplasma, infectiousness, herpesvirus, subtype, toxoplasma, ebola virus, micronuclei, corynebacterium, francisella, granulocytes, albicans, phage, variola, serotype, helminths, mutation, trematodes, bovis, acetylation, neuraminidase, autoantibody, antigenicity, biotype, borrelia burgdorferi, proteolysis, alphavirus, clostridia, parainfluenza virus, schistosoma, fibronectin, cellulase, protease, pestis, enterobacteriaceae, ribosomal rna, epistasis, lysozyme, fucose, titer, erythrocytes, serologic, immunopathology, outcrossing, amebiasis, sarcosine, reoviruses, susceptibility, affinity, reactivity, toxicity, radiosensitivity, seasonality, solubility, likelihood, reliability, attenuation, efficacy, homology, immunogenicity, sensitivity, skewness, acidity