Opinion: Your Instagram exposes you to coronavirus contagion

Online platforms are taking social contagion to new heights, making it harder for people to know where the real risks lie or what the right precautions are to take. — Bloomberg

You may not have been exposed to the new coronavirus yet, but you’ve almost certainly been exposed to an adjacent contagion. Maybe you’ve even helped spread it.

It might be retweeting Australian complaints about supermarkets sold out of hand sanitiser. Liking Gwyneth Paltrow’s Instagram post of herself in a face mask. Scrolling agog through Facebook photos from a friend in Texas of long supermarket queues for water and paper towels.