Key modes of microorganism transmission | Doctors (n = 21) | Nurse (n = 16) | Nursing assistants (n = 18) | Medical students (n = 54) | Nursing students (n = 10) |
Healthcare workers’ hands in poor hygiene environment | 10 | 23 | 0 | 35 | 5 |
Circulating air | 0 | 1 | 0 | 2 | 1 |
Exposure to contaminated surfaces | 1 | 8 | 0 | 10 | 2 |
Use of non-invasive medical devices for multiple patients | 0 | 1 | 0 | 7 | 2 |