Volume 29, Number 4—April 2023
Research
Extensive Spread of SARS-CoV-2 Delta Variant among Vaccinated Persons during 7-Day River Cruise, the Netherlands
Thijs Veenstra, Patrick D. van Schelven, Yvonne M. ten Have, Corien M. Swaan, and Willem M. R. van den Akker
Table 2
Ventilation systems and maximum occupancy of the various areas of the cruise ship during 7-Day River Cruise
| Area | Volume, m3 (area × height) | Ventilation system | Maximum occupancy |
|---|---|---|---|
| Cabin | 21 (10 × 2.1) | Air supply from corridor and extrusion through the bathroom | 2 |
| Corridors | 105 (50 × 2.1) | Air from common areas leading to cabins | 15 |
| Restaurant | 262 (125 × 2.1) | Mechanical recirculation | 110 |
| Lounge | 440 (200 × 2.2) | Mechanical ventilation, mixing recirculated and fresh air | 110 |
| Reception hall | 80 (36 × 2.2) | Mechanical ventilation, mixing recirculated and fresh air | 50 |
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