Interestingly, even though there was considerable interaction between employees on different floors of the building in elevators and the lobby, the outbreak was mostly limited to a single floor. Throughout the other floors of the building only 3 people were infected. Although, the authors of the article were not able to trace the infection to the primary cluster on the 11th floor.
While the exact number of people infected by respiratory droplets/respiratory exposure versus fomite transmission (door handles, shared water coolers, elevator buttons, etc.) was unknown, it served to highlight that being in an enclosed space and sharing the same air for a prolonged period can increase the chances of exposure and infection.
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