FILE PHOTO: The ultrastructural morphology exhibited by the 2019 Novel Coronavirus (2019-nCoV), which was identified as the cause of an outbreak of respiratory illness first detected in Wuhan, China, is seen in an illustration released by the Centers for Disease Control and Prevention (CDC) in Atlanta, Georgia, U.S. January 29, 2020. Alissa Eckert, MS; Dan Higgins, MAM/CDC/Handout via REUTERS.
(Reuters) - There is no vaccine against the novel coronavirus, called SARS-CoV-2, that is spreading rapidly around the world. But scientists in several countries are testing a century-old tuberculosis (TB) vaccine to see if it might boost the immune system to reduce respiratory symptoms in people who get new coronavirus infections.
Researchers in Australia and Europe are testing whether the Bacille Calmette-Guerin (BCG) vaccine, introduced in the 1920s to fight tuberculosis, might be deployed to combat COVID-19, the respiratory disease caused by the novel coronavirus. Clinical trials are focused on two groups at high-risk for COVID-19: health care workers and the elderly.
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