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(Click for frequent words.) 66 pathogens 63 bacteria viruses fungi 63 bacteria fungi 63 microorganisms 62 bacteria 62 pathogenic bacteria 61 borne pathogens 61 harmful microorganisms 60 harmful pathogens 59 viruses fungi 59 harmful bacteria 59 micro organisms 59 pathogenic organisms 59 germs 59 infectious organisms 58 bacteria protozoa 58 bacteria mold mildew 57 Staph bacteria 57 bacteria yeasts 57 pathogenic microorganisms 57 microbial pathogens 57 harmful microbes 57 fungal bacterial 56 MRSA Clostridium difficile 56 organisms 55 viruses bacteria fungi 55 fungi bacteria 55 algae fungi 55 mold fungi 55 infectious pathogens 55 bacterial 55 microbes 55 infectious microorganisms 55 molds fungi 54 naturally occurring bacteria 54 naturally occurring bacterium 54 staphylococcus bacteria 54 bacterial pathogens 54 Thoroughly cooking eggs 54 opportunistic pathogens 54 Acanthamoeba 54 staphylococci 54 Vancomycin resistant 54 viruses 54 MDR Gram negative 54 waterborne pathogens 54 waterborne microbes 54 bacterial fungal 54 bacteria fungi viruses 53 C. difficile spores 53 microbial contaminants 53 E. coli Salmonella 53 oomycete 53 staphylococcus 53 harmful micro organisms 53 viral pathogens 53 bacterial pathogen 53 fungal organisms 53 Chlorine bleach 53 dust mites mold 53 pathogenic micro organisms 53 Enterococcus 53 antibiotic resistant strains 53 bacterias 53 foodborne bacteria 53 genus Plasmodium 53 quaternary ammonium compounds 53 virulent pathogens 52 Bacteriophages 52 airborne pathogens 52 Disinfectants 52 microscopic parasites 52 food borne pathogens 52 waterborne bacteria 52 Escherichia Coli 52 harmful germs 52 Francisella tularensis 52 pollen dust mites 52 commensals 52 ectoparasites 52 Staphylococci 52 microorganism 52 MRSA bacterium 52 Plasmodium parasite 52 bacterial strains 52 airborne germs 51 toxins 51 Staphylococcus aureus bacteria 51 parasites fungi 51 pollen mold spores 51 Staphylococcus bacteria 51 E.coli Salmonella 51 pollen pet dander 51 viruses parasites 51 campylobacter salmonella 51 fungal pathogens 51 antibiotic resistant pathogens 51 disinfect surfaces 51 spore forming 51 acids alkalis 51 pathogenic microbes 51 clostridia 51 dust mites pet dander 51 anthrax bacterium 51 malaria parasite Plasmodium falciparum 51 endotoxins 51 microbiological organisms 51 beneficial microorganisms 51 bacterial toxins 51 Pathogenic bacteria 51 Paratuberculosis para TB 51 dermatophytes 51 Quorum sensing 51 pathogen 51 pseudomonas 51 spoilage organisms 50 Chlorine dioxide 50 Streptococcus pneumoniae S. pneumoniae 50 viral bacterial 50 Dust mites 50 anthrax ricin 50 secrete toxins 50 Enterococcus faecalis 50 spore forming bacterium 50 Mycobacterium avium 50 foodborne pathogens 50 Staphylococcus aureus 50 Staphylococcus aureus bacterium 50 protozoan parasites 50 causative organisms 50 bacterial contaminants 50 vancomycin resistant enterococci 50 fungal spores 50 disinfectants 50 phytoplankton zooplankton 50 Escherichia coli bacteria 50 fleas lice 50 allergens 50 Ricin derived 50 MRSA VRE 50 acinetobacter 50 mold dust mites 50 contaminants 50 infectious prion proteins 50 microbials 50 Strep bacteria 50 antibiotic resistant bacteria 50 maligned microorganisms 50 dust mites pollen 50 anti microbials 50 germ 50 microbial invaders 50 Staphylococcus 50 sucking insects 50 protozoa 49 airborne irritants 49 Adenoviruses 49 single celled microorganisms 49 decontaminants 49 kills mosquito larvae 49 methicillin resistant S. aureus 49 resistant superbugs 49 bacterium Clostridium 49 foodborne pathogen 49 pathogenic fungi 49 cow rumen Naczi 49 Burkholderia 49 Bacterial infections 49 Entamoeba 49 Acinetobacter 49 Shigella bacteria 49 harmful contaminants 49 antibiotic resistant bacterium 49 Antibiotic resistant 49 dust mites 49 intracellular pathogens 49 Streptococcus pyogenes 49 allergens irritants 49 superbugs 49 antimicrobial resistant 49 parasites 49 bacteria Streptococcus pneumoniae 49 hemorrhagic fever viruses 49 aerosolize 49 ATIS ® 49 scorpion toxin 49 scavenger cells 49 Candida yeast 49 superantigen 49 Moraxella catarrhalis 49 pseudomonas aeruginosa 49 bacterium 49 animal dander 49 Pneumococcus 49 bacterial toxin 49 Aspergillus fumigatus 49 Advanced Thermal Ionic 49 pests 48 Yersinia pestis 48 Cryptosporidium parvum 48 Antibacterial soaps 48 carbaryl Sevin 48 hazardous solvents 48 Mold spores 48 H. pylori bacteria 48 Staphyloccus aureus 48 small strongyles 48 salmonella listeria 48 Hydrogen peroxide 48 intestinal bacteria 48 fungi 48 parasitic organisms 48 Varroa destructor 48 bacterial viral 48 MDRSP 48 microscopic organism 48 Staphylococcus aureus MRSA 48 depletes oxygen 48 Propionibacterium acnes 48 Staph aureus 48 American foulbrood 48 B. burgdorferi 48 Thorough cooking kills 48 Bacteria 48 malarial parasites 48 waterborne microorganisms 48 micro organism 48 antimicrobial soaps 48 reactive oxygen molecules 48 antibacterial 48 pathogenic organism 48 Disinfecting 48 ticks fleas 48 furanones 48 Ygiene TM 48 vancomycin resistant 48 Salmonella typhi 48 Bacillus species 48 Legionella pneumophila 48 coagulase negative staphylococci 48 mold mildew bacteria 48 antitoxins 48 bacterial spores 48 zoonotic pathogens 48 methicillin resistant MRSA 48 smallpox anthrax 48 enterobacteria 48 TB bacilli 48 Enterococcus faecium 48 Insecticidal soap 48 perfringens 48 coagulase negative 48 spoilage bacteria 48 resistant microorganisms 48 spores germinate 48 vancomycin resistant enterococci VRE 48 Lyme disease Rocky Mountain 48 fungi spores 48 C. botulinum 48 causes Chagas disease 48 Clostridium difficile C. difficile 48 commensal bacteria 48 Parasitic wasps 48 listeria salmonella 48 Bacillus anthracis anthrax 48 fleas ticks 48 bacilli 48 invading microbes 48 horticultural oils 48 Bug zappers 48 Methicillin resistant 48 germicides 48 pathogenic strains 48 toxoids 48 bioagents 48 fomites 48 Bacillus cereus spores 48 anthrax plague 48 corrosives 48 parasite transmitted 48 germicidal 48 Without functional ribosomes 48 pollen animal dander 48 bioterror agents 48 biodefense pathogens 48 neuro toxin 48 dust mites mold spores 48 pet dander dust mites 48 anthrax botulism 48 hydroxyl radicals 48 antimicrobial compounds 48 unshelled eggs heated 48 clostridium perfringens 47 pesticides herbicides fungicides 47 pet dander 47 weed seeds 47 staph bacterium 47 bacterium Vibrio cholerae 47 MRSA germs 47 Toxoplasma gondii 47 Salmonella Staphylococcus aureus 47 bacterial virulence 47 chemical disinfectants 47 mycobacterium tuberculosis 47 Insect repellents containing DEET 47 spore forming bacteria 47 sodium lauryl sulphate 47 Staphylococcus Aureus 47 salmonella E. coli 47 Acinetobacter baumannii 47 parasitic infections 47 Pseudomonas aeruginosa bacterium 47 Giardia lamblia 47 viral respiratory infections 47 MRSA methicillin resistant Staphylococcus 47 bacterial infections 47 food borne pathogen 47 Clostridium tetani 47 faecal oral route 47 multidrug resistant strains 47 S.aureus 47 Multidrug resistant 47 virucidal 47 fungal 47 bacterium Neisseria meningitidis 47 C. diff spores 47 rodent pests 47 Lactic acid bacteria 47 shiga toxin 47 superantigens 47 mosquito vectors 47 spore germination 47 Pyrethrins 47 parasite Trypanosoma cruzi 47 Dehalococcoides 47 insects fungi 47 pesticides insecticides 47 microbe 47 Escherichia coli Klebsiella pneumoniae 47 Pseudomonas syringae 47 insect vectors 47 Bacillus thuringiensis var 47 tracheal mite 47 pathogenic fungus 47 Fecal bacteria 47 yeasts molds 47 rhinovirus infections 47 microbiological contaminants 47 antimicrobial peptides 47 Enterobacter cloacae 47 viral antigens 47 Ogiene TM 47 Pseudomonas aeruginosa bacteria 47 fungi algae 47 Clostridium difficile spores 47 vancomycin resistant enterococcus 47 Penicillium 47 subtilis 47 Cryptosporidium parasite 47 hookworms 47 pneumococci 47 S. pyogenes 47 protozoans 47 B. cepacia 47 Streptococcus pneumoniae 47 lectins 47 fecal material 47 Insect repellents 47 Chloramines 47 anthrax bacillus 47 Salicylic acid 47 mites pesticides 47 mites 47 viral infections 46 bacterial parasitic 46 pathogenic bacterium 46 Staphylococcus epidermidis 46 innate immune system 46 opportunistic pathogen 46 gel sanitizers 46 Pseudomonas bacteria 46 E. faecalis 46 Salmonella spp 46 Streptococcus mutans 46 staph germs 46 acids solvents 46 antibacterial soaps 46 yeast overgrowth 46 Psittacosis 46 Superbugs 46 dust mites molds 46 Lactococcus 46 biothreat agents 46 Malassezia 46 Coxiella burnetii 46 formaldehyde benzene 46 plasmodium 46 endospores 46 odor neutralizer 46 GlgE 46 yeast fungi 46 borne pathogen 46 bacteria Bacillus anthracis 46 bacterium Staphylococcus aureus 46 Flea collars 46 EPA Safe Drinking 46 Salmonella enterica 46 cockroach droppings 46 bacteria parasites 46 arsenite 46 toxins secreted 46 proteins lipids 46 funguses 46 obligate intracellular 46 Microglia 46 bacterium Bacillus anthracis 46 Viral infections 46 vibrios 46 Klebsiella bacteria 46 Triclosan 46 staphylococcus aureus bacteria 46 Probiotic bacteria 46 Horticultural oils 46 Shiga toxin 46 inhaled allergens 46 Shiranui Sea 46 ant baits 46 Candida species 46 fungus spores 46 chlorinated compounds 46 bacterium Clostridium difficile 46 bacterium Vibrio 46 reef organisms 46 biowarfare agents 46 roundworms 46 C. parvum 46 dormant spores 46 Histoplasma capsulatum 46 invading pathogens 46 pathogenic bacterial 46 ingredient DEET 46 parasitoids 46 noroviruses 46 parasite Plasmodium falciparum 46 antibiotic resistant organisms 46 proteosome 46 Methicillin 46 neuraminidase enzyme 46 viral strains 46 pseudomonas bacteria 46 bacillus 46 bacterium Pseudomonas aeruginosa 46 toxicants 46 bacterial colonization 46 M. globosa 46 malaria parasite 46 influenza subtypes 46 pathogenic prions 46 Antibiotic resistant bacteria 46 quaternary amines 46 Axen# 46 pneumococcus 46 pathogenic E. coli 46 biocidal 46 Enterococci 46 Fecal matter 46 bacterial contaminations 46 Enteroviruses 46 pathogenic 46 MRSA Methicillin 46 Pseudomonas aeruginosa 46 enteric bacteria 46 anti fungals 46 peanut allergen 46 pathogenic viruses 46 Pyrethroids 46 Phages 46 anaerobes 46 tributyl tin 46 insecticides fungicides 46 vesicular stomatitis virus 46 virulent pathogen 46 trypanosomes 46 Clostridia 46 inorganic minerals 46 carcinogenic polycyclic aromatic hydrocarbons 46 V. vulnificus 46 tuberculosis bacterium 46 Escherichia coli E.coli 46 mosquitoes gnats 46 Antibacterial 46 fungicides herbicides 46 solvents pesticides 46 methicillin resistant Staph aureus 46 chlorine disinfection 46 intestinal tracts 46 antibiotic resistant microbes 46 MRSA Staph 46 linezolid resistant 46 microbial cysts 46 organism 45 T. mentagrophytes 45 mosquito borne parasite 45 M.tb 45 biohazards 45 trypanosome parasite 45 multidrug resistant organisms 45 Stachybotrys 45 pinworms 45 bioterror pathogens 45 biofilm bacteria 45 C. difficile toxins 45 reactive molecules 45 enteric pathogens 45 Proteus mirabilis 45 phosphates nitrates 45 T. cruzi 45 transmit dengue 45 salmonella campylobacter 45 oocysts 45 airborne allergens 45 anthrax smallpox 45 Babesia 45 LYSOL ® 45 vibrio bacteria 45 Giardia 45 Typhi 45 ants roaches 45 pneumococcal strains 45 secondary bacterial infections 45 dysentery hepatitis 45 Streptococcus bacteria 45 harmful toxins 45 insect pests 45 insect vector 45 chemical malachite green 45 Aspergillus 45 Cdiff 45 pneumococcal bacteria 45 multidrug resistant pathogens 45 avian H#N# 45 bovine mastitis 45 hand sanitizing gels 45 unicellular organisms 45 Batrachochytrium dendrobatidis 45 malaria parasite Plasmodium 45 microbes Escherichia coli Listeria 45 protozoan parasite 45 C. jejuni 45 Colds 45 mosquito salivary glands 45 fecally contaminated 45 bactericidal 45 Mosquito larvae 45 antibacterial agents 45 sporicidal 45 beta defensins 45 protozoal 45 parasite 45 Fungal infections 45 virulence factors 45 parasitic diseases 45 Mycobacteria 45 aedes aegypti mosquitoes 45 disinfectant spray 45 Aflatoxins 45 bacterium Chlamydia trachomatis 45 cadmium mercury 45 Salmonella bacteria 45 OraPhyte TM 45 oxacillin 45 gypsy moth larvae 45 Lysozyme 45 environmental toxicants 45 salmonella bacterium 45 trichloroethane 45 Permethrin 45 malarial parasite 45 Ygiene 45 mold spores 45 resistant organisms 45 influenza virus mutates 45 Lysol wipes 45 Disinfectant 45 anti microbial 45 Escherichia coli O# 45 saliva urine 45 genotoxic substance 45 viral hemorrhagic fevers 45 Vital Oxide 45 Fungal spores 45 allergy triggers 45 fungus Cryptococcus neoformans 45 fleas 45 S. aureus infection 45 biofilms 45 Antibacterial soap 45 sap sucking insects 45 bacteria fungi parasites 45 parasitic roundworms 45 intracellular pathogen 45 hypochlorous acid 45 noxious chemicals 45 carbamate insecticides 45 Campylobacter bacteria 45 anthelmintics 45 Streptococcus pneumonia 45 insecticidal soaps 45 dysentery typhoid 45 inactivate viruses 45 Fluoroquinolones 45 virulence genes 45 mold mildew 45 bacterial biofilms 45 doorknobs keyboards 45 candida infections 45 alphavirus 45 tularensis 45 PureGreen# 45 mutagens 45 pyrethroid resistant 45 arabinose 45 waterborne illnesses 45 biofilm 45 bleach ammonia 45 macrophage cells 45 biowarfare pathogens 45 detergents solvents 45 pneumococcal illnesses 45 antifungal compounds 45 oomycetes 45 BSE prions 45 worms trojans 45 O# strain 45 viruses trojans worms 45 beneficial nematodes 45 diarrheal infections 45 vancomycin resistant enterococcus VRE 45 Roundworms 45 pore clogging 45 organophosphorus 45 antibiotic resistant superbugs 45 insects 45 Neisseria meningitides 45 Cryptosporidium 45 necrotizing pneumonia 45 inanimate surfaces 45 saliva nasal secretions 45 aphids whiteflies 45 infective larvae 45 S Typhi 45 antibacterial antifungal 45 intestinal worms 45 flux residues 45 ladybird beetles 45 Thuricide 45 methicillin susceptible Staphylococcus aureus 45 insect sprays 45 Schistosoma 45 biphenyls 45 disinfectant 45 Highly pathogenic 45 diarrhea cholera 45 parasitic worms 44 Serratia marcescens 44 receptor specificity 44 Polymerase Chain Reaction PCR 44 Mosquito repellents 44 coli salmonella 44 E. coli salmonella 44 beneficial microflora 44 staph bacteria 44 Volatile Organic Compounds VOCs 44 bacterium Listeria 44 microbial flora 44 Mycobacterium bovis 44 pyrethrins 44 Salmonella bacterium 44 Bt Bacillus thuringiensis 44 anti bacterials 44 Enterobacter sakazakii 44 anthrax ricin botulinum 44 dust pet dander 44 antibiotic methicillin 44 repels mosquitoes 44 spirochete 44 Infected birds 44 viruses trojans 44 infectious diseases 44 nasal carriage 44 innate immune responses 44 ciliates 44 fusarium fungus 44 benzene formaldehyde 44 nematode parasite 44 S. aureus bacteria 44 Listeria Salmonella 44 L. pneumophila 44 spyware rootkits 44 israelensis 44 Leishmania donovani 44 protozoal infections 44 Pasteurization kills 44 trojans worms 44 insects mites 44 contaminents 44 bacterium Bacillus thuringiensis 44 superoxide radicals 44 Coliforms 44 TB bacterium 44 black sooty mold 44 staphylococcus aureus 44 Salmonella Listeria 44 flavivirus 44 HPVs 44 intestinal parasites 44 Bromate 44 fleas mites 44 persistent bio accumulative 44 kanamycin 44 siphonage 44 parasitic worm 44 Bilharzia 44 toxic polychlorinated biphenyls 44 bacteria Mycobacterium tuberculosis 44 mercury cadmium 44 carbapenem resistant 44 nonporous surfaces 44 Toxoplasmosis 44 microfilariae 44 bacterial membrane 44 S. pneumoniae 44 chlorine disinfectant 44 diarrhea cramps nausea 44 Polychlorinated biphenyls 44 Streptococcus pneumoniae bacteria 44 Propionibacterium 44 bacterium Borrelia burgdorferi 44 S. mutans 44 helicobacter 44 parasitic protozoa 44 Clostridium 44 monocytogenes 44 Influenza viruses 44 cleaning solvents 44 candida albicans 44 gastroenteritis skin rashes 44 Thoroughly cooking 44 resistant staphylococcus aureus 44 Study Tanning beds 44 Bacillus cereus 44 nonbacterial 44 streptococcus pneumonia 44 organophosphate insecticides 44 bacterium E. coli 44 efflux pumps 44 helminth infections 44 Chlamydophila pneumoniae 44 aureus 44 Klebsiella pneumoniae 44 biocide 44 symbiotic bacteria 44 Anopheles gambiae mosquitoes 44 microbicidal 44 Ionizing radiation 44 Metarhizium anisopliae 44 Strep infections 44 organic acids 44 silver dihydrogen citrate 44 biofiltration 44 H. Pylori 44 predatory insects 44 oceanic pollutants 44 vibrio parahaemolyticus 44 staphylococcal 44 cleaners disinfectants 44 parasitic fungi 44 Nanosilver 44 viruses spyware worms 44 bacterium Streptococcus pneumoniae 44 secrete proteins 44 methicillin 44 toxoplasma gondii 44 bacterium Pseudomonas 44 Trichophyton rubrum 44 Cladosporium 44 tick borne infections 44 fermentative 44 influenza viruses 44 paints solvents pesticides 44 xylan 44 mercury dioxins 44 Burkholderia pseudomallei 44 insecticides herbicides 44 Beta lactamase 44 inhibits protein synthesis 44 resistant Staphylococcus 44 dysentery cholera 44 antibiotic resistant 44 disinfectant sanitizer 44 antigens 44 nitrogenous compounds 44 sucking pests 44 microscopic organisms 44 Airplanes sprayed 44 Prevotella 44 VIOlight 44 Stenotrophomonas maltophilia 44 microbial degradation 44 germicide 44 single celled parasite 44 green alga 44 Salmonella E. coli 44 Pneumocystis 44 innate immune 44 Helicobacter pylori H. pylori 44 commensal 44 indoor allergens 44 Bacterial 44 neisseria 44 Intestinal parasites 44 bug repellents 44 coccidia 44 rickettsial 44 termites ants 44 ThermaPureHeat 44 E coli salmonella 44 vibrio parahaemolyticus bacteria 44 Staphylococcus aureus S. aureus 44 arboviruses 44 Meningococcal bacteria 44 nitrates phosphates 44 silver ions 44 ameba 44 microbial 44 transmissable 44 mupirocin 44 lytic enzymes 44 Pythium 44 streptococcus biowarfare agents 44 golden staph 44 excrete toxins 44 Clostridium perfringens 44 Hookworms 44 Ralstonia 44 ESBL producing 44 poisons 44 depleting oxygen 44 PCBs dioxins 44 H7 variant 44 Pathogens 44 multiresistant 44 cholera dysentery 44 Household cleaners 44 schistosomes 44 carbamates 44 inactivates 43 beta lactam antibiotics 43 microbial contamination 43 Onchocerca volvulus 43 mucus saliva 43 antiseptic chlorhexidine 43 Viral gastroenteritis 43 infective agent 43 T. brucei 43 malayi 43 ionic silver 43 CFCs chlorofluorocarbons 43 Enterobacteriaceae 43 effector proteins 43 tracheal mites 43 Micromonas 43 fungicidal 43 chitinase 43 Hydrogen sulfide 43 whipworms 43 mucosal tissues 43 hemolymph 43 Herpes virus 43 synthetic musks 43 drywall emits 43 H5 strains 43 mosquito larva 43 nematodes microscopic 43 viral haemorrhagic fevers 43 helminths 43 antibacterial compounds 43 vaginal fluids 43 fungal strains 43 Nematodes 43 Organophosphates 43 strep bacteria 43 Cyclospora 43 Excess nitrogen 43 resistant pathogens 43 waterborne infectious diseases 43 #CVP 43 glycolipids 43 Fungus gnats 43 MRSA Methicillin Resistant Staphylococcus 43 intracellular bacteria 43 mousepox 43 spores 43 parasitic mite 43 streptococcus pneumoniae 43 citrus psyllid 43 parasite Plasmodium 43 bacterial invaders 43 pyogenes 43 spoilage microorganisms 43 chlorinated hydrocarbons 43 PFCAs 43 lysin 43 Yersinia 43 Repellents 43 P. acnes 43 Insect repellants 43 cellulose sponges 43 noninfectious 43 pest insects 43 toxigenic 43 TB germs 43 malaria parasites 43 antibody IgE 43 virally infected cells 43 protozoan 43 Sanitizer 43 harmful byproducts 43 aspergillus 43 E. Coli bacteria 43 O# H7 43 sodium chlorate potassium hydroxide 43 bacillus cereus 43 Campylobacter jejuni 43 Culex quinquefasciatus 43 biofilm infections 43 phages 43 fungal diseases 43 degreasing solvent 43 S. typhi 43 parasitic insects 43 piperonyl butoxide 43 Trichophyton 43 infectious disease 43 hydrochloric acid hydrogen 43 filarial worms 43 MOG #-# 43 enterobacteriaceae 43 prions 43 Staph Aureus 43 Vibrio bacteria 43 topical antibiotics 43 filamentous fungi 43 Porphyromonas gingivalis 43 bacterium Bordetella pertussis 43 bacterial colonies 43 microscopic parasite 43 vampire bat Desmodus 43 candida yeast 43 misshapen proteins 43 Intestinal worms 43 viruses mutate 43 aedes mosquito 43 cyfluthrin 43 Thimerosal preservative 43 P. aeruginosa 43 shigella bacteria 43 anaerobic bacteria 43 babesia 43 Rickettsia 43 chlamydia trachomatis 43 anti bacterial 43 harmful gasses 43 Slime molds 43 bromine compounds 43 Activated charcoal 43 Resistant bacteria 43 Coronaviruses 43 microsporidia 43 T. pallidum 43 Bartonella henselae 43 Francisella 43 expectorated matter 43 Sodium hydroxide 43 Sooty mold 43 acaricide 43 disperse biofilms 43 bacteriocins 43 TiO2 nanoparticles 43 nonpathogenic 43 anthrax toxins 43 K. pneumoniae 43 Acinetobacter spp 43 sprays lotions 43 Haemophilus 43 PPCPs 43 salmonellae 43 VOCs volatile 43 Ear mites