We have published “Keep your (social) distance: Pathogen concerns and social perception in the time of COVID-19” in Personality and Individual differences.
Olivera-La Rosa, Chuquichambi and Ingram showed that individual differences are key predictors in the perception of Masked (vs. unmasked) faces. Furthermore, masked faces are perceived as more trustworthy, approachable, but also as more likely to be sick.
Full reference: Olivera-La Rosa, A., Chuquichambi, E.G., & Ingram, P.D.G. Keep your (social) distance: Pathogen concerns and social perception in the time of COVID-19. Personality and Individual differences (2020). [link]