5 new cases of mysterious disease found in dogs in Norway

Norwegian authorities says five more cases have appeared of an unexplained disease that has affected dozens of dogs and killed at least 26 animals across the country

The Norwegian Food Safety Authority says it is still investigating the cause of the disease, whose symptoms include vomiting and bloody diarrhea.

The agency said Wednesday that a conclusion is still pending but there are no indications it can infect humans.

There are an estimated 500,000-600,000 dogs in Norway.