This morning, when I asked my Amazon Echo smart speaker what the coronavirus is , Alexa’s response was correct: It told me that the virus had been identified late last year by researchers in China and that the outbreak had since been declared a pandemic . After reporting the number of documented cases worldwide, it proposed some follow-up questions I could ask, like, “Alexa, what’s the fatality rate of the coronavirus ?” or the slightly less grim, “Alexa, where is the coronavirus ?” As the pandemic continues to spread around the world, and people try to understand how they should respond to it, more of them will turn to virtual assistants like Alexa to get information about the coronavirus. That’s pushed companies like Amazon and Google to tweak their various platforms to prevent misinformation and to ensure that accurate information from health authorities actually gets to users. At this point, it seems like the companies have been aggress...