| [investigation of a listeriosis cluster: how complete are laboratory-based reports?]. | in germany, listeriosis surveillance is based on mandatory laboratory notification of listeria monocytogenes. local public health departments (lphds) forward the received reports anonymously to state public health departments (sphds) which send them to the national public health centre. for the 28th reporting week (rw) 2003, lphds reported four cases of listeriosis to the sphd of hesse, cumulating to 19 listeriosis cases in 2003 compared to four cases in rw 1 - 28, 2002. | 2004 | 15609211 |