(Warwick, RI)--The dog park in Warwick is being closed because of health concerns.The Warwick Animal Shelter says the park is closed until further notice due to a case of parvovirus, which puts dogs under six months, health-compromised and unvaccinated dogs at the highest risk.Parvovirus can be fatal if left untreated, and the animal shelter is advising pet owners to watch out for symptoms.