Sent_en: 2fil The strain of the disease had already been identified as an O1 BFS67-like virus, which was isolated in a 1967 outbreak and was being used at the labs for research and the production of vaccines.
Sent_yy: Ang uri ng sakit ay kinikilala na biling isang tulad ng O1 BFS67, na nakahiwalay sa pagkalat noong 1967 at ginagamit sa laboratoryo para sa pananaliksik at paggawa ng bakuna.