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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 AkkerComments to Author 
Author affiliations: National Institute for Public Health and the Environment, Bilthoven, the Netherlands (T. Veenstra, Y.M. ten Have, C.M. Swaan, W.M.R. van den Akker); Municipal Health Services Gelderland-Midden, Arnhem, the Netherlands (P.D. van Schelven)

Main Article

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

Main Article

Page created: February 01, 2023
Page updated: March 20, 2023
Page reviewed: March 20, 2023
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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