Related by context. Frequent words. (Click for all words.) 66 bacterial pathogen 64 bacilli 63 protozoan 62 microorganisms 62 protozoa 61 larvae 61 L. monocytogenes 61 pathogenic organisms 61 mycobacteria 61 infective 60 viral particles 60 T. gondii 60 bacteria 60 microorganism 60 bacterial spores 60 nasal secretions 60 pupae 60 lysozyme 60 phages 60 larval stage 60 P. aeruginosa 60 Salmonella bacteria 60 spermatozoa 60 micro organism 60 Aspergillus 59 fungal spores 59 spores 59 anaerobic bacteria 59 Plasmodium 59 micro organisms 59 parasitic worms 59 bacterial 59 bacterium 59 pathogens 59 coli 58 Toxoplasma 58 naturally occurring bacteria 58 inoculum 58 parasites 58 organisms 58 Candida albicans 58 pathogen 57 Giardia 57 Microorganisms 57 granulocytes 57 larva 57 Salmonella typhimurium 57 Klebsiella pneumoniae 57 bacterial colonies 57 bacteria fungi 57 Pathogen 57 microbial pathogens 57 single celled 56 bacterial toxins 56 peritoneal cavity 56 rumen 56 Larvae 56 Bt toxin 56 parasite 56 bacterial strains 56 unfertilized 56 dsRNA 56 transgenes 56 digestive juices 56 S. pneumoniae 56 Wolbachia 56 Bacterium 56 pathogenic bacteria 56 zooxanthellae 56 Lactobacillus 56 E. coli bacterium 55 Clostridium 55 microbes 55 prion proteins 55 Nematodes 55 infectious organisms 55 Staphylococcus 55 herpes viruses 55 organism 55 mouthparts 55 antimicrobial peptides 55 S. aureus 55 amoebae 55 cytosol 55 lectins 55 Escherichia coli 55 mutant strains 55 intestinal bacteria 55 hookworms 55 avian influenza viruses 55 Pathogens 55 gut microbes 55 Plasmodium falciparum 55 roundworms 55 parasitic worm 55 Vibrio cholerae 55 viral pathogens 55 chloroplasts 55 phloem 55 bacillus 55 fungal pathogens