Microbe Battle (IMAGE) American Chemical Society Caption Without a breakthrough, microbial resistance might be inevitable in humanity's struggle against infectious disease, a medicinal chemist reports. Above is a color-enhanced scanning electron micrograph showing Salmonella typhimurium (red) invading cultured human cells. Credit Courtesy of National Institute of Allergy and Infectious Diseases of the NIH Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.