AS the world scrambles to get vaccinated against coronavirus disease 2019, or Covid-19, there is also a minority, including reputable doctors and scientists, raising concern, if not alarm, over the rush to get jabbed.

In news and social media posts and videos, these vaccine-wary voices cite reports of adverse and even fatal events following Covid-19 immunization. These personages also question how safe and effective vaccines are, and whether they are needed at all.