The June, 2020 Airline Pet Travel Report contains pet incidents for the month of April, 2020.
There was one injury for April on American Airlines on Flight 1254 from Miami, FL to San Juan, Puerto Rico involving a Labrador Retriever named Olimpia was tendered in good condition, however when the driver was dropping Olimpia at the outbound gate in Miami noticed blood in the kennel. It was deemed self inflicted from trying to claw its way out. Owner was contacted and made arrangements to pick up the animal.
Source: June 2020 Air Travel Consumer Report.