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Coronavirus can remains for days or even longer in sewage or drinking water.
We are working on removal of coronavirus from humans but do we think about water.
Removal of coronavirus from drinking and sewage
water is also a big challenge for us to fight against pandemic COVID19 across
the world.
So there is need for more research to keep
Coronavirus out of the water cycle.
Recently two researcher, Professor Vincenzo
Naddeo, director of the Sanitary Environmental Engineering Division at the
University of Salerno and Haizhou Liu, an associate professor of chemical and
environmental engineering at the University of California, Riverside, have asked for more research and analysis to determine whether water treatment methods
are effective in killing SARS-CoV-19 and corona viruses in general.
The researcher wrote in an editorial for
Environment science ,” The Virus can be transported in microscopic water droplet,
or aerosols , which enter the air through evaporation”.
"The ongoing COVID-19 pandemic highlights
the urgent need for a careful evaluation of the fate and control of this
contagious virus in the environment," Haizhou Liu said.
The coronavirus could also colonize biofilms
that line drinking water systems, making showerheads a possible source of
aerosolized transmission. This transmission pathway is thought to be a major
source of exposure to the bacteria that causes Legionnaire's disease, for
example.
Most of water treatment process are thought to
remove coronaviruses effectively in both drinking and sewage water. The viruses are killed through oxidation with hypochlorous
acid or peracetic acid, and inactivation by ultraviolet irradiation.
In sewage sludge viruses are filter out through
use of membrane bioreactors and physical separation of suspended solid filter.
As per the Liu and Naddeo, most of these
methods have not been studied for effectiveness
on SARS-CoV-19 and other coronaviruses. And the researchers have demand for
more research and analysis.
The researcher have suggested to upgrade
existing water and waste water treatment plant in the affected area, where coronavirus
can transmitted from hospitals , community clinics and nursing homes.
In many society and cities where portable water
reuse system is used, should be checked for coronavirus removal from the
purified water.
Treated waste water or sewage water ,
discharged in water bodies, should be monitor through entire water cycle.
Liu and Naddeo ask chemists, environmental
engineers, microbiologists, and public health specialists to develop
multidisciplinary and practical solutions for safe drinking water and healthy
aquatic environments.
There is a big challenge for developing nations or other nations to implement the system for water purification in villages, where no water
treatment facilities are available. Government should focus on providing
infrastructures for water purification at village level to control the coronavirus outbreak.
#IndiafightCorona
Source :https://www.sciencedaily.com/
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