Proceedings of the ... Congress of the Hungarian Association of Microbiologists

activity adenovirus adsorbed aetiological agent agglutination amino acids animals anthracis anti antibiotics antibodies antigen antiviral bacteria bacterium biochemical blood bovine Budapest carriership cells cellular chemical chemotherapeutics chemotherapy Citrobacter clinical coli compounds concentration cytopathic demonstrable developed dilution disease doses drug effect Enterobacteriaceae enzyme epidemiological erythrocytes examined excretion experimental experiments factors flexneri fractions guinea-pigs haemagglutination human Hungary Hungary Abstract immune sera immunological inactivated incubation infection inhibition inoculation Institute of Hygiene Institute of Microbiology interferon intestinal isolated L-forms laboratory leucine medium membrane method mice mutants Mycobacteria mycoplasmas observed obtained oral organism pathogenic patients penicillin phage phage types phase poliovirus precipitation preparations present produced protein rabbits reaction resistant role Salmonella samples sensitive serological serotypes serum Shigella sonnei specific Staphylococci strains streptomycin studies substances sulphonamides synthesis tetracycline therapy tion tissue culture titre treatment tuberculosis typhoid University Medical School vaccine viral virulence virus viruses vitro y-globulin