Only a quarter of the 59 labs that handle the world's deadliest pathogens have top-level biosecurity. Experts fear lax rules could lead to another pandemic.

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Sophia Ankel , Business Insider US Jun 19, 2021, 11:43 AM facebook twitter email Virologists Lisa Oestereich (R) and Toni Rieger work in the new Biological Security Level 4 laboratory of the Bernhard Nocht Institute for Tropical Medicine (BNI) in Hamburg, Germany, on January 25, 2013. Christian Charisius/picture alliance via Getty Images There are 59 biosafety level 4 labs (BSL-4) in the world, but only a few scored high on safety. A new report revealed only a quarter of countries with these labs have high biosecurity scores. The labs are where researchers work with the most dangerous pathogens on the...