18-08-2021, 01:47 PM
Base on the present technology, it can be bi-annual booster shots. If we take annual, there is a gap of a few months.
![](https://i.imgur.com/CLvY2jA.png")
Singapore prepares for long term life - and death - with COVID-19
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Singapore prepares for long term life - and death - with COVID-19 - by theold - 18-08-2021, 01:36 PM
RE: Singapore prepares for long term life - and death - with COVID-19 - by starbugs - 18-08-2021, 01:43 PM
RE: Singapore prepares for long term life - and death - with COVID-19 - by theold - 18-08-2021, 01:47 PM
RE: Singapore prepares for long term life - and death - with COVID-19 - by menghuii - 18-08-2021, 04:41 PM
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