BASEL, Switzerland, May 5 -- Antibiotics, a peer-reviewed open access journal on antibiotics, published research articles on the following topics in its May 2023 edition:

Articles:

* Co-Harboring of Beta-Lactamases and mcr-1 Genes in Escherichia coli and Klebsiella pneumoniae from Healthy Carriers and Backyard Animals in Rural Communities in Ecuador

* Preliminary Investigation of Side Effects of Polymyxin B Administration in Hospitalized Horses