Passport Health is the leading provider of international travel medicine in North America. For nearly 30 years, Passport Health travel clinics have helped keep countless global travelers safe from infectious diseases. We keep yellow fever vaccine, typhoid vaccine and other preventative medications and immunizations in stock at our Tustin clinic so you won't have to wait. And our location near Tustin Legacy at Red Hill and Valencia avenues in the Redhill Business Park offers easy, convenient access with plenty of free parking.