Even the dolls don't want to catch that 2019-nCoV.
Honestly a filtration mask isn't going to actually protect you against the virus. Viruses are really small and will pass through with little issue. It can't hurt though, I guess. But you still got stuff like your eyes exposed.
Translating the (Twitter) commentary via Google Translate, looks like the artist didn't talk about coronavirus at all.
This image by itself is lacking context since it was part of a strong of images relating to how RPK-16 is the only one out of the AK-series of DEFY T-Dolls that doesn't wear a mask in her artwork. It is a lovely coincidence though.