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Is pneumonia-causing bacteria lurking in geyser?

Is pneumonia-causing bacteria lurking in geyser?

Guest: Dr Jo Barnes is a senior lecturer in Community Health at Stellenbosch University's Faculty of Health Sciences.

In South Africa, there is no information about the prevalence of Legionella in domestic
water heaters, which normally heat water to 65°C. However many users keep
temperatures as low as 40°C in a compromise between being more financially savvy
and still enjoying a satisfactory water temperature. This is the perfect environment for
the growth of Legionella which thrives at temperatures from 37 to 42°C.

To determine the presence of Legionella, the researchers cut open water heaters
shortly after they had failed mechanically and collected samples and biofilm scrapings
from inside the heaters. They also separately used microbiological techniques to assess
the presence of Legionella at the point-of-use in the tap water from five active heaters,
which they compared to cold water from the same source as a control.

According to the findings in the study, the bacterial concentrations in the plumbing
between the water heater and the taps were as much of a concern as those in the
heater tank.



More episodes from Upfront With Refilwe Moloto

Small Business Shoutout - The Firepit Company

27 May 2020 8:57 AM

Guest: Simone Smith Owner of The Firepit Company

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The dynamics behind airfares as flights resume

27 May 2020 8:35 AM

Andrew Grunewald, operations leader and area leader for Flight Centre Business Travel and John Friel, ex-Etihad country manager, now commercial manager at Travelstart join us to take a look at what you may encounter when trying to book a flight in coming weeks, now that South Africans can travel abroad under certain conditions.

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Citrus sector fears Covid-19 outbreak could threaten R3billion industry

27 May 2020 8:32 AM

Hannes De Waal of the Sundays River Valley Citrus Producer Forum talks to Refilwe Moloto about concerns that desperate workers pouring into the area - some illegally could lead to an outbreak of Covid-19, which could derail the R3billion a year citrus industry in the region.

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The World View - Covid-19 Denmark opens its border to quarantine couples

27 May 2020 7:58 AM

The pandemic pollution problem as catalogued by French divers. 

JK rowling’s new book a fairytale that’s bound to sell gazillions.

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#IFQSAT:

27 May 2020 7:48 AM
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Covid-19 could be catalyst to move away from coal and carbon emissions

27 May 2020 7:34 AM

Professor of Physics, University of Johannesburg, Hartmut Winkler believes the COVID19 pandemic will spark an array of short-term, labour-intensive recovery programs which could lead to renewed investment and growth in the renewable energy field. And this could help SA reduce its carbon emissions.

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Differing views on opening of religious gathering

27 May 2020 7:23 AM

President Cyril Ramaphosa last night announced that religious gatherings in limited numbers could go ahead under lockdown three regulations. The move has been welcomed by Berry Behr, chairperson of the Cape Town Interfaith Initiative, but has been slammed by Father Russell Pollitt, Director of the Jesuit Institute SA.

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Wanderlust Wednesdays: The Lockdown Collection - The Extension

27 May 2020 6:57 AM

Carl Bates is “Entrepreneur and co-founder of The Lockdown Collection, talks to Refilwe Moloto about how they are expanding the platform to show support for our local artists.

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You can claim back tax for working from home eventuall

27 May 2020 6:54 AM

You might qualify to claim back on business expenses if you end up working from home for 6 months. What needs to be in place? Craig Rocher, Chartered Accountant at Tax Consulting SA explains. 

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Small Business Shoutout - Vuyo's Cafe

26 May 2020 8:55 AM

Guest: Vuyo Hoboshe Owner of Vuyo’s Cafe 

Vuyo's Cafe had its humble start in May 2016. The coffee specialists operate from the Red Cross Children's Hospital, but has had to change business hours in response to Covid-19, and has seen his hard work jeopardised by dwindling numbers of patrons.

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