This report is to observe the rate of multiple resistance to various antibiotics among staphylococcus aureus and E. coli which were isolated with high frequency at our department during 1969.
1. One hundred fifty two strains (20. 6%) resistant to four antibiotics multiple resistant was the highest incidence among 739 strains of Staphylococcus aureus.
2. Regarding the multiple antibiotic resistant of Staphylococcus aureus, 75strains(10.1%) to SA. PC. TC the three antibiotics resistant, have been observed, with the highest incidence, and next to this, 69 strains(9. 3%) to SA. PC. SM. TC the four antibiotics resistant, and 68 strains(9. 2%) to SA. PC. SM. CM. TC. SM. the six antibiotics resistant, have been observed in descending order.
3. The case of one hundred twenty seven strains (28. 0%) of the six antibiotic multiple resistant among 454 strains of Escherichia coli was the highest incidence.
4. Concerning the multiple antibiotic resistant of Escherichia coli, 70 strains(15.4%) to SA. SM. CM. TC. EM. FD. the six antibiotics resistant, have been observed, with the highest incidence, and next to this, 59 strains(13. 0%) to SA. SM. CM. TC. EM. FD. AC the seven antibiotics resistant, and 42 strains (9.3%) to SA. SM. CM. TC. EM. FD. KM. AC the eight antibiotics resistant have been observed in descending order.
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