as test objects served gram-negative and gram-positive vegetative germs ( klebsiella pneumoniae , pseudomonas aeruginosa , salmonella paratyphi-b , staphylococcus aureus , streptococcus faecalis ) , bacterial spores ( bacillus cereus , bacillus pumilus , bacillus stearothermophilus , bacillus subtilis ) , fungi ( aspergillus niger , candida albicans ) , bacteriophages ( escherichia coli phages , t1 , t2 , t3 ) , and viruses ( adenovirus , poliomyelitis virus , vaccinia virus ) .
C0042776
viruses
C0206435
poliomyelitis virus