The SARS outbreak at the Amoy Gardens apartment complex in Hong Kong in 2003 infected 329 residents, of whom 42 died. The subsequent investigation by the World Health Organisation and the Hong Kong SARS Expert Committee revealed that the rapid transmission of the respiratory virus partly resulted from the open floor drain traps, which provided a path for virus-laden water droplets to enter the indoor environment. Appliance trap seals, such as those at Amoy Gardens, play a vital role in safeguarding the indoor environment from the foul gases prevalent in a building drainage system.
展开▼
