Vaccine contamination: Causes and control

Affiliations

• ¹ Faculty of Medicine, Quest International University, Ipoh, Malaysia.
• ² Department of Pharmacy, National University Hospital, Singapore.
• ³ Faculty of Health, University of Canberra, Canberra, Australia.
• ⁴ PAP Rashidah Sa'adatul Bolkiah Institute of Health Sciences, Universiti Brunei Darussalam, Gadong, Brunei Darussalam. Electronic address: longchiauming@gmail.com.
• ⁵ Faculty of Pharmacy, University of Malaya, Kuala Lumpur, Malaysia.
• ⁶ Saw Swee Hock School of Public Health, National University of Singapore, Singapore. Electronic address: ephkohd@nus.edu.sg.