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Coronavirus: Singapore
Side effects of vaccine indicate immune systems are reacting
Doctors say it does not mean vaccine is less effective if people do not have side effects
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Staff of Sree Narayana Mission at the observation area after receiving their Pfizer jabs in January. Results of clinical trials for both the Pfizer and Moderna vaccines show that younger adults tend to report more frequent and severe side effects than older people.
ST PHOTO: KEVIN LIM
Natalie Tan, Joyanne Li
When healthcare student Melanie Hui, 21, got her first dose of the Pfizer vaccine in February, her arm was so sore she could not lift it to tie her hair.
Ms Hui, who is also a cross country runner, said she also felt fatigued and had headaches for about two days after the jab.
