Can applying sesame oil stop the new coronavirus from entering the body? Is it true that a hot water and granite rock bath will help kill the virus? Does taking vitamin D make people less susceptible to the pathogen?

In a nation gripped by fear amid the COVID-19 outbreak, rumors swirling online that appear to have little or no scientific justification have, at times, persuaded people to flock to e-commerce websites in search of items touted — often falsely — as effective against the new coronavirus.

Some of these claims are simple misconceptions, but others are more sinister and deliberate, finding their way into inboxes as spam email containing malware.