The review found no eligible studies for this question.
It is very uncertain whether personal protective equipment (PPE) types: powered, air‐purifying… changes any contamination: fluorescent marker compared with N95 mask plus gown (very low certainty).
It is very uncertain whether modified personal protective equipment (PPE): sealed gown‐glove… changes contamination: fluorescent lotion compared with standard gown (very low certainty).
It is very uncertain whether modified personal protective equipment (PPE): sealed gown‐glove… changes contamination: MS2 compared with standard gown (very low certainty).
Modified personal protective equipment (PPE): gown ‐ easy to doff may leads to lower contamination: fluorescent marker compared with standard gown (low certainty).
Modified personal protective equipment (PPE): gown ‐ easy to doff may leads to lower contamination: bacteriophage compared with standard gown (low certainty).
It is very uncertain whether personal protective equipment (PPE) types: powered, air‐purifying… changes compliance: noncompliance with donning guidance compared with N95 mask plus gown (very low certainty).
Modified personal protective equipment (PPE): gown with gown‐glove… may leads to lower people with contamination compared with standard gown and gloves (low certainty).
It is very uncertain whether modified personal protective equipment (PPE): gloves with tab changes any contamination of hands compared with standard gloves (very low certainty).
It is very uncertain whether modified personal protective equipment (PPE): mask plus tabs changes contamination of mask from hands compared with standard masks (very low certainty).
It is very uncertain whether modified personal protective equipment (PPE): mask plus tabs changes contamination of head from hands compared with standard masks (very low certainty).
It is very uncertain whether procedures: doffing with double gloves changes contamination: virus detected ‐ all body parts compared with doffing with single gloves (very low certainty).