Biosafety classification is based on U.S. Public Health Service Guidelines, it is the responsibility of the customer to ensure that their facilities comply with biosafety regulations for their own country.
Wigand R, Sabin AB. Properties of ECHO types 22, 23 and 24 viruses. Arch. Gesamte Virusforsch. 11: 224-247, 1961. PubMed: 13785166
