Health
Singapore residents with 2 Sinovac doses are finding they need a Pfizer boost – South China Morning Post
More than 85,000 people in the island nation have chosen to pay for Sinovac shots, despite having free access to Pfizer-BioNTech…
Published: 11:30am, 31 Aug, 2021
Updated: 2:29pm, 31 Aug, 2021
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