Regional AlertResults of epidemiological investigation of first A/H5N1 death in 2024 announced March 25, 2024By MBDS Team25 Mar 2024. The Ministry of Health, Vietnam announced the results of the epidemiological investigation of the death of influenza A(H5N1) human infection in the South-Central Province of Khanh Hoa. The death is the first case this year and the second case from 2014.