Emergence of Salmonella typhi Vi antigen-negative strains in an epidemic of multidrug-resistant typhoid fever cases in Calcutta, India.
Saha
M R
MR
Ramamurthy
T
T
Dutta
P
P
Mitra
U
U
D000942:Antigens, Bacterial / Q000032:analysis* / Q000235:genetics; D002648:Child; D018432:Drug Resistance, Multiple; D006801:Humans; D007194:India / Q000453:epidemiology; D011135:Polysaccharides, Bacterial / Q000032:analysis* / Q000235:genetics; D012485:Salmonella typhi / Q000276:immunology / Q000302:isolation & purification*; D014435:Typhoid Fever / Q000188:drug therapy / Q000453:epidemiology / Q000382:microbiology*
D000942:Antigens, Bacterial; D011135:Polysaccharides, Bacterial