Zamboanga City Health Office (File photo) ZAMBOANGA CITY - The City Health Office here started on Saturday the administration of the second dose of vaccine booster to further strengthen the public's protection against coronavirus disease 2019 (Covid-19). Dr. Dulce Amor Miravite, city health officer, said workers in essential health services and senior citizens are the priority for the second booster shot. "The second booster dose is given at least four months after the administration of the first booster dose," Miravite said in a statement. "Just present the vaccination card (for the first booster) and ID (identification card) to the vax team in any vaccination site that accepts walk-ins to get your second booster jab," she added. She urged the public, especially those who already got their first dose of vaccine booster, to avail of the second booster for further protection against Covid-19. City Health Office data showed that 141,355 of the 665,007 fully vaccin