Veterinarian co-hosts Dr. Roger Welton and Dr. Karen Louis discuss the statistical increases in the incidence of certain infectious and parasitic diseases in dogs and cats during prolonged periods of standing water following major storms. Our co-hosts detail risk, prevention, and treatment of these diseases, one of which is also contagious to people. E-mail comments or questions for consideration to be addressed by our veterinarians on the air to: comments@web-dvm.net. For more content from Dr. Roger Welton and Dr. Karen Louis, visit their respective blogs at Web-DVM.net and VetChick.com.