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 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.