Infectious disease
![Brushing with bacteria: The debate over a GMO tooth microbe](/getmedia/a0506fd5-8858-4240-a732-02e0e01c2429/Brushing-with-bacteria-480x270c.jpg?width=480&height=270&ext=.jpg)
Brushing with bacteria: The debate over a GMO tooth microbe
One startup has said a genetically modified microbe could prevent cavities. Experts, though, have safety concerns.
![Illuminating the dark serum immunoglobulome](/getmedia/55a49405-4760-4963-b282-1791f281e296/Illuminating-the-dark-480x270.jpg?width=480&height=270&ext=.jpg)
Illuminating the dark serum immunoglobulome
Researchers in the Netherlands shine a light on unique antibody repertories of severe COVID-19 patients.
![Revealing what makes bacteria life-threatening](/getmedia/482ae11a-c1f9-48d6-8b9f-f2426b649bfe/Life-threatening-bacteria-480x270.jpg?width=480&height=270&ext=.jpg)
Revealing what makes bacteria life-threatening
Queensland researchers have discovered that a mutation allows some E. coli to cause severe disease in people while others are harmless, a finding that could help to combat antibiotic resistance.
![Clues from bird flu’s ground zero on dairy farms in the Texas panhandle](/getmedia/030c6a57-a689-41fa-8cfc-d8603da08fb6/bird-flu-thumb.jpg?width=480&height=270&ext=.jpg)
Clues from bird flu’s ground zero on dairy farms in the Texas panhandle
Dairy farmers and veterinarians in northern Texas furiously investigated a mysterious illness among cattle before the government got involved.
![Small protein plays a big role in viral battles](/getmedia/b7fb8469-5403-49bc-b1ff-beefd9fc0dc5/MCP-2Nef-Thumb.jpg?width=480&height=270&ext=.jpg)
Small protein plays a big role in viral battles
Nef, an HIV accessory protein, manipulates protein expression in extracellular vesicles, leading to improved understanding of HIV-1 pathogenesis.
![Early COVID-19 research is riddled with poor methods and low-quality results](/getmedia/f11c6783-73a6-436c-aeb5-5cfbfcf0cb78/covid-thumb.jpg?width=480&height=270&ext=.jpg)
Early COVID-19 research is riddled with poor methods and low-quality results
The pandemic worsened, but didn’t create, this problem for science.
![Researchers uncover key biomolecule involved in whooping cough infection](/getmedia/d985a7e9-55bf-4f7d-9da9-51004520a2c8/Whopping-cough-480x270.jpg?width=480&height=270&ext=.jpg)
Researchers uncover key biomolecule involved in whooping cough infection
Potential drug and vaccine strategies could target crucial glycan to fight pertussis.
![Biochemists bite back](/getmedia/57f3c49a-0f6e-4c35-a22e-28c0d925e40a/Mosquito-thumb.jpg?width=480&height=270&ext=.jpg)
Biochemists bite back
Undergraduates in Houston catalog Texas mosquitos that carry known and novel viruses.
![New compound offers hope for deadly tropical disease](/getmedia/719862f2-a490-49b7-8790-3a3c2ed5a382/Deadly-tropical-disease-480x270.jpg?width=480&height=270&ext=.jpg)
New compound offers hope for deadly tropical disease
Schistosomiasis drug candidate overcomes limitations of current treatment.