SARS-CoV-2 is not the first coronavirus to hop from animals to humans — and it will not be the last. To prevent a future coronavirus pandemic, a group of researchers recently developed a "pan-coronavirus" vaccine, designed to protect against many different strains of coronaviruses known to infect humans and bats. Their vaccine turned out to be very effective in monkeys, but it's not yet known if it will confer the same protection in people, according to the study published May 10 in the journal Nature. While no one knows what kind of virus will cause the next pandemic, coronaviruses are...