The second booster shot of Covid-19 vaccine will be administered first to immunocompromised persons or those belonging to the A3 population, Health Secretary Francisco Duque III said Friday. In a televised public briefing, Duque said he approved the Health Technology Assessment Council’s (HTAC) recommendation for the administration of a second booster shot for persons with comorbidities only. The immunocompromised persons who are eligible for the additional shot include those who received an organ transplant, cancer and HIV/AIDS patients, have primary immunodeficiency, and those who take immunosuppressants. Earlier, the Food and Drug Administration approved a second booster or fourth dose for