Figure 1From: First epidemiological report of feline heartworm infection in the Barcelona metropolitan area (Spain)Feline Dirofilaria immitis antibody seroprevalence (%) in the Barcelona metropolitan area (Spain) by regions: Alt Pened's, Baix Llobregat, Barcelonés, Garraf (not included in the present study), Maresme, Vallés Occidental and Vallés Oriental. The main rivers are illustrated as black lines. The asterisks (*) indicate the location of the antigen-positive cats.Back to article page