PETALING JAYA: With Malaysians apprehensive about taking the heterologous booster shot (mix-and-match approach), public health experts have assured them that no known health issues have risen from such a practice based on studies that have been conducted, noting that the delivery is safe and effective.
Universiti Malaya Department of Social and Preventive Medicine Faculty of Medicine’s Prof Dr Moy Foong Ming said if individuals have no known severe side effects from the Pfizer vaccine, it is safe to get Pfizer as a booster.