“In the wake of the covid-19 pandemic, emphasising the benefits of ‘good’ viruses might seem difficult†Jelena Maximova/Alamy
There are good and bad bacteria, but are there any good viruses? And what would happen if all viruses disappeared? (cont.)
Mike Follows
Sutton Coldfield, West Midlands, UK
If people had been aware of the existence of bacteria and their role in causing the Black Death in the 14th century, as well as the subsequent cholera pandemics, convincing them that bacteria could be both “good” and “bad” would have been a significant challenge. Similarly, in the wake of the covid-19 pandemic, emphasising…



