WASHINGTON (AP) — Dr. Anthony Fauci, the top U.S. infectious disease expert, is warning Congress that if the country reopens too soon, “the consequences could be really serious.” Fauci is among the experts testifying to a Senate panel as its hearing opened on Tuesday. His testimony comes as President Donald Trump is pressuring states to reopen after the prolonged lock-down aimed at controlling the virus’ spread. With the U.S. economy in free-fall and more than 30 million people unemployed, Trump wants to restart the economy.  Worldwide, the virus has infected nearly 4.2 million people and killed over 287,000. Some countries that have relaxed lock-down rules have seen new outbreaks.