Originalversjon
BMC Public Health. 2022 Dec 27;22(1):2433., DOI: https://doi.org/10.1186/s12889-022-14800-7
Sammendrag
In a recently published paper in BMC Public Health (DOI: 10.1186/s12889-021-12073-0) we read about a randomized trial on Covid-19 transmission performed in five fitness centers in Oslo, Norway, during the spring of 2020. In our opinion, this study has major shortcomings in design and methodology, which have not been addressed by the authors.