How do you become infected with the coronavirus?

The new coronavirus has traveled unseen paths from Wuhan, China, to virtually all corners of the globe. Evidence of its movements abound, from the proliferation of people wearing face masks to the sudden absence of toilet paper on store shelves. How did a virus that didn’t even exist just a few months ago manage to infect more than 300,000 people and cause more than 13,000 deaths? How exactly does this pathogen spread? Here’s what scientists have learned so far about the virus known as SARS-CoV-2, which causes the disease known as COVID-19.How does the new coronavirus infect people? Through droplets. That is the typical answer physicians give when they talk about how this virus jumps from...