Do you know what extension he's on? isotretinoin effectiveness "The Department of State has instructed certain U.S. Embassies and Consulates to remain closed or to suspend operations on Sunday, August 4," the warnings read, providing embassy phone numbers if U.S. travelers need emergency assistance. "The Department has been apprised of information that, out of an abundance of caution and care for our employees and others who may be visiting our installations, indicates we should institute these precautionary steps. It is possible we may have additional days of closings as well, depending on our analysis."