From: Human cercarial dermatitis (HCD) in the UK: an overlooked and under-reported nuisance?
Localities in UK | Date of findings | Findings | Cercariae species (intermediate host) | References |
---|---|---|---|---|
Roath Park Lake, Cardiff | Summers (1928–1930) | Several hundred people developed HCD | Trichobilharzia sp. (Lymnaea stagnalis) | [23] |
Rickmansworth Aquadrome, Berkshire, England | Summer (1970) | 250 people affected by HCD | Cercariae of “ocellata” group (Planorbis aronicus) | [24] |
Southeast England | After summer (1987) | Undisclosed number of reports of HCD after swimming | None identified | [32] |
Freshwater lake, Ipswich | Summer (1987) | Undefined outbreak of HCD | None identified | [33] |
Central Scotland | (1996) | Mute swans found infected with avian schistosomes | None identified | [17] |
Lochore Meadows Country Park, Fife, Scotland | July (2006) | 10 children and 2 adults developed HCD | Trichobilharzia spp. (Lymnaea stagnalis) | [20] |
Hampshire, England | August (2011) | Snails found releasing cercariae implicated in HCD | Trichobilharzia franki (Radix auricularia) | [7] |
Knowsley Safari, Prescot, England | July (2021) | Snails found releasing cercariae implicated in HCD | Bilharziella polonica (Planorbarius corneus) Trichobilharzia anseri (Ampullaceana balthica) | [19] |