The Friedrich Loeffler Institute, also known as the National Institute for Animal Health in Germany, breeds diseases and bacteria such as bird flu, foot-and-mouth disease, Ebola, and mad cow disease.
A gas explosion started a fire at a Russian laboratory complex stockpiling viruses ranging from smallpox to Ebola. The explosion took place during repairs to a fifth-floor sanitary inspection room.
BBC was given access inside Porton Down to see what the facility was like and, for the first time ever, entered a cleansed version of a level four laboratory.
A laboratory established in the Japan National Institute of Infectious Murayama Research Buildings in Musashimurayama in 2015 is the only one in Japan that is capable of handling BSL-4 level pathogens.
Taiwan's defense ministry has outlined a five-year initiative to beef up the island's biological warfare defense as well as a plan to upgrade a biosafety laboratory.
The global proliferation of biocontainment laboratories raises questions about how to ensure their safe and secure operations while enhancing their contributions to science and global health.
Called the National Emerging Infectious Diseases Laboratories, the facility is one of 11 Biosafety Level 4 laboratories in the country.
China's first biosafety level-4 lab (BSL-4) for large animals became operational after being accredited by the China National Accreditation Service for Conformity Assessment.
At a research facility in Gabon, one isolated building stands behind an electrified fence, under round-the-clock scrutiny by video cameras. The locked-down P4 lab is built to handle the world's most dangerous viruses, including Ebola.
The existing facility will need to be replaced by 2023.