Question to the Department of Health and Social Care:

To ask the Secretary of State for Health and Social Care, what assessment his Department has made of the potential merits of adding (a) chikungunya, (b) dengue, (c) zika and (d) other mosquito-borne diseases onto the list of notifiable diseases published by the UK Health Security Agency.

Dengue and chikungunya viruses are notifiable pathogens, so laboratories in England that test human samples must inform the UK Health Security Agency (UKHSA) if they are identified. The specific mosquito species that transmit these viruses is not established in the United Kingdom, so there is a negligible risk to public health. Therefore, they are not included in the list of infectious diseases that medical practitioners must notify UKHSA about if they treat a patient who they think is infected with that disease.

Infectious disease data for cases of chikungunya, dengue, and Zika are obtained from the UKHSA’s Rare and Imported Pathogens Laboratory (RIPL) and details are shared for purposes of national surveillance. Currently, the RIPL is the only UK laboratory providing accredited testing for zika and chikungunya viruses, and for many of the other relevant mosquito borne viruses and bacteria. Confirmed and probable cases are therefore captured already by UKHSA, and it would be rare for clinicians to make a clinical diagnosis for these diseases without requesting testing.