On 6 April 2010, the new Public Health Regulations for the notification of clinical suspicion of disease came into force. These regulations, for the first time, promoted an 'all hazards' approach and the relatively small changes in dataset and reporting requirements and mechanisms have had a knock-on effect on the data being reported to the HPA. In particular, these changes are likely to affect reported numbers of food poisonings, TB and hepatitis.
Consequently, in some circumstances, it may not be appropriate to compare NOIDs statistics with those published previously. Please feel free to contact the Information Section at the Centre for Infections for information on how data published on this site can be interpreted.
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