The analysis showed that microbial communities varied across cities because of local environmental factors. Klebsiella pneumoniae was found to be more abundant in Chennai and Mumbai, while Pseudomonas aeruginosa was more abundant in Kolkata. Yet the genes conferring resistance to different antibiotics remained consistent across all four metro cities.
News
Indian cities show similar antibiotic resistance genes in wastewater: CCMB study
March 23, 2026The analysis showed that microbial communities varied across cities because of local environmental factors. Klebsiella pneumoniae was found to be more abundant in Chennai and Mumbai, while Pseudomonas aeruginosa was more abundant in Kolkata. Yet the genes conferring resistance to different antibiotics remained consistent across all four metro cities.