When food is scarce, stress hormones direct the immune system to operate in “low power” mode to preserve immune function while conserving energy. This reconfiguration is crucial to combating infections amid food insecurity.
A new study shows that avian malaria can be transmitted by nearly all forest bird species in Hawaiʻi, helping explain why the disease is present almost everywhere mosquitoes are found across the islands.
Molecular hitchhikers living within bacteria can make their hosts extra resistant to medical treatment by corralling them into tightly packed groups. The study introduces a previously unknown avenue through which bacterial infections can become more difficult to treat.
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A study comparing one- and three-month antibiotic treatments to prevent active tuberculosis (TB) finds that a high percentage of patients successfully completed both regimens and suffered few adverse side effects.
A sizable majority of Americans think the three vaccines that combat potentially deadly illnesses flu, Covid-19 and measles are safe to take, although perceptions of the safety of all three vaccines showed a statistically significant drop over the past three years.
The UK’s wheat is under threat from a newly identified strain of the yellow rust pathogen, prompting an urgent mobilisation of research institutes to protect harvests. The new strain has overcome a key resistance gene that was protecting many major UK wheat varieties from yellow rust infection.
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