Dr. Anthony Fauci, the U.S.’s top infectious disease expert, warned Monday against mass anti-stay-at-home demonstrations, breaking again with President Donald Trump.

“Clearly this is something that is hurting from the standpoint of economics, from the standpoint of things that have nothing to do with the virus, but unless we get the virus under control, the real recovery, economically, is not going to happen,” Fauci said on the Good Morning America television program.

“If you jump the gun, and go into a situation where you have a big spike you’re going to set yourself back, so as painful as it

Read more: US: Fauci breaks with Trump, discourages protests