EV-D68 springs to mind.
TB, Scabies, Lice, Rubella, Whooping Cough, Meningitis, Mumps. Gastrointestinal and Respiratory Viruses, Polio, HIV, Hep B and C, Intestinal Parasites, Child Trafficking, Sexual Violence and STDs to name a few others...
Things we’ve long controlled or even essentially eradicated in our population are being re-introduced...
But why worry?