[Tangsen]

It is responsibilities of the govt to search for better solutions.
Since it is not perfect, and not without side effects. 

If not some persistence, Sg govt will only stick to one option,
https://scitechdaily.com/virus-mimicking...e-effects/

internasal can also make vaccine safer, therefore more people can take safely.

Great having a conversation with another social media educated medical scientist telling me to listen to them rather those certified by Universities and established medical institutions