Recent Examples on the WebThere are seven types of hoof-and-mouth disease and more than 60 subtypes or strains. Cnn Editorial Research, CNN, 27 May 2021 Before 2020, the service had reportedly been interrupted just twice: during World War II and in the 1920s during an outbreak of hoof-and-mouth disease.Los Angeles Times, 29 Mar. 2021 It must not be allowed to spread like hoof-and-mouth disease, across the nation. Johnny Miller, San Francisco Chronicle, 4 Jan. 2018