Ocular surface(12) Cell(11) COVID-19(10) TMPRSS2(9) conjunctival(9) ACE2(9) viral entry(9) SARS-CoV-2(8) Infection(8) Corneal(8) TMPRSS2 expression(7) ocular(7) Cornea(7) Conjunctiva(7) Viral(6) facilitate(6) portal(6) Immunohistochemical analysis(6) Analysis(6) Patient(5) analyzed(5) western blot(5) eye(5) Protein(5) expression(5) susceptibility(5) cellular(5) chromatin(4) RNA(4) investigated(4)