It appears that running your water through a Berky is a very wise move even now, never mind after TSHTF
This quote is the most telling
"When a Lancashire laboratory started routinely testing all diarrhoea stool samples for giardia using the EIA test, the results leapt to more than six times the national rate.
Tellingly, two out of three sufferers had contracted the disease in the UK and there was a steep rise in the number of infected adult men detected. "
http://www.dailymail.co.uk/health/articl...mblia.html
This quote is the most telling
"When a Lancashire laboratory started routinely testing all diarrhoea stool samples for giardia using the EIA test, the results leapt to more than six times the national rate.
Tellingly, two out of three sufferers had contracted the disease in the UK and there was a steep rise in the number of infected adult men detected. "
http://www.dailymail.co.uk/health/articl...mblia.html
