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TB Vaccine Protects Against MS

A vaccine developed to ward off tuberculosis may help prevent symptoms of multiple sclerosis, according to a new study.

Written byJef Akst
| 1 min read

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FLICKR, DANIEL PAQUETPatients with early signs of multiple sclerosis (MS) may benefit from the bacille Calmette-Guerin (BCG) vaccine for tuberculosis (TB), according to a study published last week (December 4) in Neurology.

The vaccine may prove to be “safe, inexpensive, and handy” in the treatment of MS, suggest the authors, led by Giovanni Ristori of the Center for Experimental Neurological Therapies at Sant'Andrea Hospital in Rome.

The trial involved 82 people whose MRI scans were suggestive of MS and who had experienced numbness or vision or balance problems—a condition called clinically isolated syndrome that, about half the time, leads to full-blown MS within two years. Six months later, those who received the BCG vaccine had fewer brain lesions than did those given placebo. Moreover, after five years of being treated with MS drugs such as interferon beta-1a (Avonex), 58 percent of vaccinated patients experienced no further MS episodes, compared with 30 percent of those who received the ...

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Meet the Author

  • Jef (an unusual nickname for Jennifer) got her master’s degree from Indiana University in April 2009 studying the mating behavior of seahorses. After four years of diving off the Gulf Coast of Tampa and performing behavioral experiments at the Tennessee Aquarium in Chattanooga, she left research to pursue a career in science writing. As The Scientist's managing editor, Jef edited features and oversaw the production of the TS Digest and quarterly print magazine. In 2022, her feature on uterus transplantation earned first place in the trade category of the Awards for Excellence in Health Care Journalism. She is a member of the National Association of Science Writers.

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