Promising progress in Q4 wasn't enough to offset investors' concerns about the insurer's lack of profitability.

A Nationwide Insurance survey showed chronic conditions dominated claims for cats and dogs last year across the U.S.

Kittens should start their initial vaccines at about 8 weeks old. They should then be vaccinated every three to four weeks until about 16 weeks old. Most kittens will get the FVRCP combination shot.