Number of People Developing Severe Allergic Reactions after First Dose of mRNA COVID-19 Vaccine and Advised Not to Proceed with Second Dose

Dr Lim Wee Kiak asked the Minister for Health (a) to date, how many people have developed severe allergic reactions after their first dose of an mRNA vaccine; (b) how many have been advised against proceeding with the second dose; and (c) what is the vaccination plan for this group.

As of 10 September 2021, 47 persons were notified to the Health Sciences Authority (HSA) as having anaphylaxis, a severe allergic reaction, after their first dose of an mRNA vaccine. All such persons are unsuited to take subsequent doses of mRNA vaccines.

They are offered Sinovac-CoronaVac (Sinovac) in public hospitals, to complete their vaccinations. Alternatively, they may choose to wait for the other non-mRNA vaccines that MOH has procured and expects to be delivered by the end of the year or early next year.