Proof of occupational exposure (April 2022)
| Work in certain jobs | Contact with colleague with confirmed infection | Contact with client with confirmed infection | Other | |
| Austria | √ | √ | √ | √ |
| Belgium | √ | √ | √ | |
| Bosnia and Herzegovina | √ | √ | √ | √ |
| Croatia | √ | |||
| Cyprus | √ | |||
| Czech Republic | √ | √ | √ | |
| Denmark | √ | √ | √ | √ |
| Estonia | √ | √ | ||
| Finland | √ | √ | √ | |
| France | √ | √ | √ | |
| Germany | √ | √ | √ | |
| Greece | √ | |||
| Hungary | √ | √ | √ | √ |
| Ireland | √ | √ | √ | |
| Israel | √ | √ | √ | √ |
| Italy | √ | √ | √ | |
| Latvia | √ | |||
| Luxembourg | √ | √ | √ | |
| Malta | √ | √ | ||
| Moldova | √ | |||
| Montenegro | √ | √ | √ | |
| Netherlands | √ | √ | √ | |
| Norway | √ | √ | √ | |
| Poland | √ | |||
| Portugal | √ | |||
| North Macedonia | √ | √ | √ | √ |
| Romania | √ | |||
| Serbia | √ | √ | √ | |
| Slovakia | √ | |||
| Slovenia | √ | √ | √ | |
| Spain | √ | |||
| Sweden | √ | √ | ||
| Switzerland | √ | √ | ||
| Turkey | √ | √ | ||
| UK | √ | |||
| N=35 | N=26 | N=19 | N=21 | N=18 |