Marketers react to coronavirus and ad vets stump for Bloomberg: Thursday Wake-Up Call

Welcome to Ad Age’s Wake-Up Call, our daily roundup of advertising, marketing, media and digital news. If you're reading this online or in a forwarded email, here's the link to sign up for our Wake-Up Call newsletters.Businesses react to coronavirusAs fears of coronavirus contagion spread, marketers that do business in China are taking extraordinary steps. A growing number of airlines, including American, United, British Airways, Air Asia, Cathay Pac