A 7-month-old child with diarrhea lies in a bed at a hospital in India. Oral rehydration salts are a cheap and effective treatment but are underused. A new study aims to find out why. Ritesh Shukla/Getty Images hide caption
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antibiotics
Microscope images of urinary tract cells from mice that were not given a UTI (naive) and those that were susceptible to recurrent UTIs (sensitized). Cells are outlined in green and the DNA in each cell glows blue. The cells susceptible to recurrent UTIs are smaller. Seongmi Russel hide caption
Some Amoxicillin products are hard to find on pharmacy shelves as a nationwide shortage continues. Luis Alvarez/Getty Images hide caption
An illustration of Shigella bacteria. Stephanie Rossow/Science Source hide caption
Early on in the COVID-19 pandemic antibiotics were frequently prescribed to seriously ill patients, even though the disease is caused by a virus. Win McNamee/Getty Images hide caption
Antibiotic Use Ran High In Early Days Of COVID-19, Despite Viral Cause
Pseudomonas aeruginosa bacteria — rod-shaped bacteria in this tinted, scanning electron microscope image — are found in soil, water and as normal flora in the human intestine. But they can cause serious wound, lung, skin and urinary tract infections, and many pseudomonas strains are drug-resistant. Science Photo Library/Science Source hide caption
How Best To Use The Few New Drugs To Treat Antibiotic-Resistant Germs?
Children in the study were given a twice-yearly dose of the antibiotic azithromycin. Researchers found that their mortality rate was significantly lower than that of untreated children. Science Stock Photography/Science Source hide caption
Pharmacy technician Peggy Gillespie fills a syringe with an antibiotic at ProMedica Toledo Hospital in Toledo, Ohio, in January. Tony Dejak/AP hide caption
Cattle eating a mixture of antibiotic-free corn and hay at Corrin Farms, near Neola, Iowa. Their meat is sold by Niman Ranch. Dan Charles/NPR hide caption
Some In The Beef Industry Are Bucking The Widespread Use Of Antibiotics. Here's How
Scientists have isolated a molecule with disease-fighting potential in a microbe living on a type of fungus-farming ant (genus Cyphomyrmex). The microbe kills off other hostile microbes attacking the ants' fungus, a food source. Courtesy of Alexander Wild/University of Wisconsin hide caption
Antibiotics are widely overprescribed for the common cold. Doctors' concern for patient satisfaction ratings may be one reason. Joe Raedle/Getty Images hide caption
Kids' antibiotic use is down Towfiqu Photography/Getty Images hide caption
Azithromycin tablets. Dhiraj Singh/Bloomberg via Getty Images hide caption
We might all feel a lot better if we saw a view like this, from the North Shore of Oahu, every day. Vince Cavataio/Perspectives/Getty Images hide caption
The micromotor device may someday be used to deliver antibiotics to the stomach. Angewandte Chemie International Edition hide caption
This Tiny Submarine Cruises Inside A Stomach To Deliver Drugs
Antibiotic- and growth-hormone-free cattle gather at a farm in Yamhill, Ore. Despite farmers pledging to reduce or stop antibiotics use, a new report finds that sales of antibiotics for use on farms are going up. Don Ryan/AP hide caption
A pig stands in a pen at an antibiotic-free pig farm in Tongxiang, China. Bloomberg via Getty Images hide caption
Chicks in the Perdue hatchery in Salisbury, Md. The company says that it is now raising all of its chickens without routine antibiotics. Only those flocks that get sick, about 5 percent of all birds, will be treated. Dan Charles/NPR hide caption
Color enhanced Transmission Electron Micrograph (TEM) of E. coli bacteria. Magnification: 132,000 at 8 x 10". Lee D. Simon/Science Source hide caption
Christian Choe, Zach Rosenthal, and Maria Filsinger Interrante, who call themselves Team Lyseia, strategize about experiments to test their new antibiotics. Linda A. Cicero/Stanford News/Courtesy of Stanford University hide caption
Young Inventors Work On Secret Proteins To Thwart Antibiotic-Resistant Bacteria
Chicken served at McDonald's won't necessarily be raised completely without antibiotics — but it will be raised without antibiotics used for human medicine. Mark Duncan/AP hide caption
Once scientists grew these Staphylococcus lugdunensis bacteria in a lab dish, they were able to isolate a compound that's lethal to another strain commonly found in the nose that can make us sick — Staphylococcus aureus. Mostly Harmless/Flickr hide caption