TruVet Specialty & Emergency Hospital opened on Lakeville Highway with an operating room, its own lab and a chihuahua already getting a blood transfusion.

Riders will pedal from San Francisco through Petaluma and Napa next month to fund multiple sclerosis research.

Napa’s one-night tally jumped 14% to 428 while Sonoma’s official count held near 1,951 — but a big youth spike and a larger by-name list have providers warning the picture is still fragile.