RESEARCH       Dr. Clive Bennett                    Back to 'Ecto- and Endo- Parasites'

I designed the logo for the British Society for Parasitology when I was Honorary General Secretary in the 90's

Contact :     ceb@soton.ac.uk

Human Scabies in the UK Paper

British Journal of Dermatology (2011) 164, pp1329–1334  : A collaboration with Cegedim, who provided the data below, is continuing.

Epidemiology of scabies prevalence in the U.K. from

general practice records

S. Lassa, M.J. Campbell and C.E. Bennett

Summary

Background Scabies is a contagious parasitic infestation which causes an allergic reaction to just a few mites.

Objectives To examine the epidemiology of scabies consultations in the U.K. by age, sex, region of the country and time.

Methods Data were obtained from the THIN (The Health Information Network) database provided by EPIC U.K. (Cegedim) in which each

consultation episode is coded according to a ‘READ’ code. Data were available for 1997–2005 inclusive (9 years) for approximately

8.5% of the U.K. population from 12 regions of the U.K. We used harmonic analysis to model the data over time and derived cycle

amplitudes and phases for each region in the U.K.

Results There was a significantly greater infestation rate among females with a relative risk of 1Ć24 (P < 0Ć001) relative to males. The age group 10–19 years had

the highest infestation rates (with rates of 4.55 per 1000 and 5.92 per 1000 for males and females, respectively). The middle age groups had the smallest infestation

rates. A cycle with length of between 15 and 17 years was derived, and the phase times of the cycles for each region suggested a progression of the disease

originating from the North East, spreading to Northern parts of the U.K. and then to the Midlands and the South.

Conclusions The study confirms earlier studies with regard to the age sex distribution of scabies. We suggest a contagious pattern of spread of scabies infestation

in the U.K. with an epidemic cycle length of 15–17 years.

Theoretical Biology:  Evolution of the vertebrate immune response.  (References)

Endo-parasites)

(Ectoparasites)

 

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© Dr. Clive Bennett 2013