| Abstract: | A new method for quantifying F-specific bacteriophages in wastewater is described. Somatic coliphages were also determined. Host-strainSalmonella typhimurium WG 49 was sensitive to only a few bacteriophages and this could have arisen from infection by F-RNA phages. Host-strainEscherichia coli ATCC 9723 C, however, supported multiplication of a wide range of bacteriophages present in sewage, giving plaque counts one to three orders of magnitude greater than those on F+ and F- salmonellas.L. Bonadonna, R. Liberti and L. Volterra are with the Istituto Superiore di Sanita, Lab. Igiene Ambientale, Viale Regina Elena 299, 00161 Rome, Italy. |
