We spoke to Dr Leong Hoe Nam, an Infectious Disease Specialist at Mount Elizabeth Novena Hospital, to help us understand how a vaccine works, if the Covid-19 vaccine is safe, and why you should get vaccinated.

Timestamps in case you wish to skip to the segments:   

• How does a vaccine work? (1:03)
• Will there any immediate side effects to the vulnerable, such as young children and the elderly? (6:53)
• What are the options for those who have an allergic reaction to the Covid-19 vaccine? (10:22)
• Is the Covid-19 vaccine a cure? (11:37)
• Do vaccines have an "expiry date"? (15:14)
• Why do we need to wear masks and social distance even after being vaccinated? (17:04)
• Reacting to online comments: What happens when the virus mutates? (21:03)
• Reacting to online comments: Is the vaccine safe since it was developed at an unprecedented rate? (23:53)