Mitigation (susceptible person) | No per group | Percentage loss of virus from hand to mucous membranes, median (50% range) | Mean quality of evidence rating (1–5) (round 2) | References given (across both rounds) |
None | 5 | 67 (54–79) | 2.8 | 115 130–132 |
Face mask (any type) | 3 | 79 (70–88) | 2.8 | 133 |
2 | 36 (30–43) | |||
Gloves | 5 | 24 (7–40) | 1.8 | 122 |
Plastic face visor | 5 | 32 (18–43) | 2.4 | |
Hand hygiene | 5 | 73 (37–84) | 3 | 134–136 |