If you use assistive technology (such as a screen reader) and need a
version of this document in a more accessible format, please email email@example.com.
Please tell us what format you need. It will help us if you say what assistive technology you use.
Send completed forms with samples to:
Bacteriology reference department (BRD)
Public Health England 61 Colindale Avenue London NW9 5EQ
020 8327 7887 (staffed from 9am to 5.30pm, Monday to Friday)