All over the world, people are disinfecting, spraying, and wiping down surfaces with an urgent sense of purpose: They want to kill the coronavirus.
Many of us are cautious about touching things like ATM buttons, door handles, and hand rails. Some of us wear disposable gloves when we go out. Others even wipe down their groceries after bringing them home.
When the pandemic began, these measures seemed like the best way to prevent the spread of COVID-19.