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Antibiotic Resistance Doesn't Just Make Bacteria Harder To Kill – It Can Actually Make Them Stronger

By Gerald Pier, Harvard Medical School , and David Skurnik, Harvard Medical School | September 10, 2015

Bacteria can become drug-resistant in two ways – resistance can be natural, meaning that the genes conferring resistance are already present in the bacterial chromosome, or they can be acquired through mutation or by picking up antibiotic-resistance genes from other microbes. It is now possible to use new DNA-sequencing technologies to take a closer look at how the antibiotic resistance can make some bacteria weaker or stronger. And in a new study, we found that – contrary to conventional wisdom around antibiotics – resistance can actually make some bacteria fitter and even more virulent.

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Good News, Despite What You've Heard

Nicholas Kristof | The New York Times | July 1, 2017

Cheer up: Despite the gloom, the world truly is becoming a better place. Indeed, 2017 is likely to be the best year in the history of humanity. To explain why, let me start with a story. I’m on my annual win-a-trip journey with a university student, who this year is Aneri Pattani, a newly minted graduate of Northeastern University. One of the people we met is John Brimah, who caught leprosy as a boy...

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