There’s a rumor going on that there is a “352 day ban” for rejected Visa Applicants.
The good news is that this is a myth – there has been no announcement from the US Department of State. If you need to reapply, monitor the Visa Appointment portal and book your appointment.
PS: Stay away from the agents. US Government is cracking down on them and you don’t want to get caught up in that, and risk your future. Booking your own appointments.