Laboratory-based surveillance units require sources, facilities, and schooling. A central general public health and fitness reference laboratory is essential for quality assurance and top quality Command and aid. This kind of laboratory-dependent procedure could start with systematic referral of a sample of strains isolated in a sample of sentinel clinics, http://groenenprachtig.nl/beveiligingsbedrijf-mobiele-surveillance-en-alarmopvolging-uw-partner-in-veiligheid/