The spectrum of waterborne diseases is expanding and
majority of diseases once believed to be conquered are on
the rise
. A significant number of zoonotic emerging and
re-emerging waterborne pathogens like Yersinia enterocolitica
and Aeromonas hydrophila have been recognized
now. These emerging pathogens have been incriminated
for the recent gastroenteritis epidemic in Ludhiana, Punjab
which had claimed eight lives