After the UniTeam’s miting de avance in Parañaque, a supporter tried to take a selfie with presidential bet Ferdinand Marcos Jr but was turned away. We also tried to interview him but we were not accommodated. @News5PH@onenewsph
Admittedly there's a research gap concerning face shields since they are mainly intended for hospital settings, hence scenarios limited to hospital settings. The general consensus is that face shields are intended for ballistic droplets, not for aerosols.
Below are the studies: