[His first instinct is to reassure Shouto, brush off any troubles so that Shouto doesn't have to worry about what happened on his end on top of the Sirens. That thought quickly gets brushed aside; Izuku knows that that's the last thing Shouto would appreciate, after everything else.]

We weren't...attacked or anything. After the sirens took you guys, things were quiet here. [He trails off now, voice growing quieter.] Most of us got really sick, though.