Centennial vaccine against emerging pathogens

Instead, they want to develop tools for use in the next pandemic, be it a vaccine against the general coronavirus, a deadly new strain of flu, or an unidentified pathogen.

The tuberculosis vaccine (BCG) can fight Covid-19 and other infectious diseases by boosting the immune system.

In the early stages of the Covid-19 pandemic, when vaccination was still a distant dream, some scientists tested whether an old tuberculosis vaccine, developed in the 1990s, could protect people.

The vaccine, called Bacillus-Calmette-Guerin (BCG), has long been shown to have widespread effects on the immune system, and can be given to infants in developing countries where tuberculosis is common.