-The Hindu Spraying of disinfectants on human beings is ineffective and also harmful, it says in circular Chennai: The Directorate of Public Health (DPH) has issued a note calling into question the efficacy of Sanitisation Tunnels, and said no more such tunnels are to be installed in Tamil Nadu. With disinfection tunnels being set up in public places in some parts of the State, K. Kolandaswamy, director of public health, in a circular...

More »