Related by context. Frequent words. (Click for all words.) 64 poxvirus 59 lentivirus 59 recombinant vaccine 58 mutant strain 57 neutralizing antibody 57 Bt toxin 56 tumor antigens 56 fungal pathogens 55 anthrax toxin 55 antimicrobial peptides 55 P. falciparum 54 Plasmodium falciparum 54 bacterial strain 54 Toxoplasma 54 protein fragment 54 viral vector 54 Yersinia pestis 54 retrovirus 54 Wolbachia 54 genetic alteration 54 phage 54 bacterium 53 Adenovirus 53 virulence factors 53 Neu5Gc 53 phages 52 micro organism 52 viral vectors 52 prion proteins 52 mutant strains 52 S. pneumoniae 52 avian flu viruses 52 NK cells 52 protozoan 51 innate immune response 51 lectins 51 cytotoxic T 51 short interfering RNA 51 Haemophilus influenzae 51 transgenes 51 bacterial strains 51 measles virus 51 Langerhans cells 51 indole 51 simian immunodeficiency virus 51 toxin 51 neuroblastoma cells 51 cytomegalovirus CMV 51 viruses 51 antibodies 51 Bacillus anthracis 51 innate immune 51 Plasmodium 51 transgenic mouse 50 pathogen 50 PrP 50 fusion protein 50 parasite 50 Monoclonal antibodies 50 Treg cells 50 microbe 50 vaccinia virus 50 antimalarial drug 50 Clostridium 50 transgenic animals 50 bacterial toxins 50 pandemic H#N# virus 50 protective antigen 50 malaria parasites 50 immune responses 50 inhibitory effect 50 viral strains 50 pneumococcus 50 microorganism 49 B. anthracis 49 bacteriophages 49 herpes viruses 49 RNA viruses 49 vaccinia 49 Nipah virus 49 malaria parasite 49 immune cells 49 Candida albicans 49 influenza virus 49 meningococcal bacteria 49 myeloma cells 49 dendritic cells 49 pathogens 49 conjugate vaccine 49 parasitic worms 49 scorpion venom 49 prophylactic vaccines 49 Mycoplasma 49 VLPs 49 immunological 49 harmful pathogens 49 cloned stem cells 49 transgenic plants 49 transgene 49 neutralizing antibodies 49 organism