Hey sis, best bet talaga is to check directly with your local health center or barangay office kasi they usually have the updated schedules and available vaccines sa inyo, a few of us dito sa Cavite area had to go back to where we got our first dose, pero may centers din na nag-aaccept kahit ibang location depende sa system nila ngayon. Mas mabilis kung tawagan mo yung DOH hotline or ang nearest municipal health office mo para sure sa requirements at available dates, kaya naman go ahead na and ask around! Good luck sa second dose mo!