Just a quick post — some may find this of interest: ‘Dirty’ air in subdivided flats pose health hazards | South China Morning Post. It reports on a study (not quite sure where it was published, if it was) about bacterial counts from air samples from subdivided living units in Hong Kong public housing. And many of these have quite high bacterial counts (as determined by colony counting). Not sure if they showed any specific helath effects or have any more detail on the bacteria found. But still some interesting comments in the article including:
- Lai said an overcrowded living environment could lead to inadequate ventilation, which would promote the growth of bacterial and fungal colonies.
- Poor building conditions, such as water seepage and leaking sewage systems, could release microorganisms and bacterial toxins from the water into the air.
- Unhygienic surroundings, such as garbage or sewage water accumulating on canopies or in other nearby outdoor areas, would also affect indoor air quality, she said.
- The professor suggested residents try taking their clothes to the laundry to avoid increasing air humidity by drying them at home.
- Residents whose windows faced dirty outdoor areas could keep them closed, she added.
Seems like these could make an interesting system for microbiome studies.