Letter to BS: Sanitising tunnels in Kerala will do more harm than good

Various methods are now being used to curb and control the spread of the coronavirus and the latest to join the list are sanitising /disinfecting tunnels. These have been put up by various agencies, institutions and departments as part of their sanitisation drive. Though people welcomed these initially, many now opine that some of these are unscientific and rather than helping the public, they can cause harm. The Kerala Sastra Sahitya Parishad — a science body — has opined that there is no scientific evidence that supports the effectiveness of such tunnels for disinfection.

Even the World Health Organisation doesn’t recommend