| outbreak of multidrug-resistant salmonella newport--united states, january-april 2002. | during january-april 2002, salmonella serotype newport was isolated from 47 persons in five states: new york (34 cases), michigan (five), pennsylvania (four), ohio (two), and connecticut (two). antimicrobial-susceptibility testing of three isolates by cdc revealed resistance to amoxicillin/clavulanate, ampicillin, cefoxitin, ceftiofur, cephalothin, chloramphenicol, streptomycin, sulfamethoxazole, and tetracycline. in addition, two of three isolates were resistant to kanamycin; two had decreased ... | 2002 | 12118534 |