Are two free N95 masks enough? What to know about wearing and reusing them amid the haze
Two N95 masks may be enough for a week for someone who wears them only for short commutes, but those who spend several hours outdoors may need to replace them more often, says an NUS public health expert.
We haven't written up this one. Channel News Asia has the full story — the link below goes straight to it.
This story
This is one outlet's version. Read the fullest account.