[cf9]

these measures dun seem to hv much impact. must find out the actual causes of the recent sudden surge in cases and hammer the nail right on them hard hard

so obvious, interchange to bus stops,  mrt , passengers to passengers. colleague to colleague, schools to public,  to others parents pass to children, children to children, children to parents. 
 Never trace. 

kai bu kai xin, gao bu gao xing.

[Sentinel]

hope no need to upgrade to "no booster no entry"

Should be:
"no mRNA booster no entry".