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Meant AVCT alongside SKIN and MWG! You all know what I mean!
Perhaps that we, alongside SKIN and MWG are also going to be checking drinking water - EVERYWHERE!
The Broad Street cholera outbreak (or Golden Square outbreak) was a severe outbreak of cholera that occurred in 1854 near Broad Street (now Broadwick Street) in the Soho district of the City of Westminster, London, England, and occurred during the 1846–1860 cholera pandemic happening worldwide. This outbreak, which killed 616 people, is best known for the physician John Snow's study of its causes and his hypothesis that germ-contaminated water was the source of cholera, rather than particles in the air (referred to as "miasma").[1][2] This discovery came to influence public health and the construction of improved sanitation facilities beginning in the mid-19th century. Later, the term "focus of infection" started to be used to describe sites, such as the Broad Street pump, in which conditions are good for transmission of an infection. Snow's endeavour to find the cause of the transmission of cholera caused him to unknowingly create a double-blind experiment.
What do we deduce from this!
Thank you Gerry, very much appreciated.
@Stu from my days as an engineer, Legionella risk, particularly in nursing homes posed a risk of dormant water at elevated temperature. However, at 55 degrees, which is the maximum recommended hot water temperature in a nursing home, there is no risk as the bacteria dies off.
The risk of the virus derived from rivers for cooling towers is slim to nil for a number of reasons. The first thing to consider is this. Many studies have shown that the highest risk of virus transmission from an individual is up to 8 days from becoming infected.
Next. While sewage contains the virus from feacal matter shed by the infected person, it generally is not in a tranmissive state, where the lipid encapsulating the virus is damaged.
Generally when water is taken in for processing it undergoes some treatment, after testing. This can be as simple as UV lighting, but in general is not allowed to be processed without some testing.
Here too, temperature plays a major role in killing the virus, so above 25 degrees the chance of the virus surviving is slim to nil.
Ordinarily a scientist would finish by saying that is not proof, but it has a high probability of the above being accurate. Hope that helps
13thmonkey - river water carries all sorts from sewage overspill to chemicals washed from fields, farm slurry etc. If this water is evaporated from the cooling towers and it did contain Covid19, could it be a problem. Many Water Companies accept that at times there is sewage release in to rivers, albeit a controlled release. So we know Covid19 exists in sewage, we know power stations draw water from our rivers, and we know water companies release sewage into such rivers. Legionella is a known risk for evaporation cooling systems and I was asking the question, could Covid19 present a similar risk as there is an identifiable path to the evaporation process.
How is covid getting into rivers and surviving for any length of time? What 'toxins' are you referring to?
Many years ago, during drought conditions, I was made aware that local power station cooling towers were spreading toxins. This was, in part, due to the low flow in rivers and the consequential concentration of toxins in the water being used by the power stations. If Covid19 is in the supply to power stations, could the cooling towers pose a risk, or would the heat and any processing negate this threat. Maybe overthinking things but any help appreciated.