Articles on Penicillin antibiotics

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Penicillin is a substance produced by penicillium mold. About 80% of people with a penicillin allergy will lose the allergy after about 10 years. Clouds Hill Imaging Ltd./Corbis Documentary via Getty Images

Are you really allergic to penicillin? A pharmacist explains why there’s a good chance you’re not − and how you can find out for sure

As many as 1 in 5 Americans believe they have a penicillin allergy, but just a tiny fraction actually do. In recent years, it’s gotten a lot easier to find out.
Gain-of-function experiments in the lab can help researchers get ahead of viruses naturally gaining the ability to infect people in the wild. KTSDesign/Science Photo Library via Getty Images

Gain‑of‑function research is more than just tweaking risky viruses – it’s a routine and essential tool in all biology research

From cancer immunotherapy and antibiotics to GMO crops and pandemic surveillance, gain of function is a cornerstone of basic research.
Penicillin ushered in the antibiotics revolution, with amazing results during war and peace. Science & Society Picture Library/SSPL via Getty Images

Guns, not roses – here’s the true story of penicillin’s first patient

Albert Alexander was the first known person treated with penicillin. While his ultimately fatal case is well known in medical histories, the cause of his illness has been misattributed for decades.
Antibiotic resistance is not new but recent developments increase the urgency for action. Shutterstock

‘Super gonorrhoea’ raises the stakes in the war against superbugs

Superbugs used to pose the greatest risk to people with compromised immune systems and those who had surgery. But their sexual transmission means antibiotic resistance can spread much more widely.

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