Smallpox was a systemic disease, officially eradicated since 1979 (WHO), caused by infection with the Variola major virus, whose only reservoir was infected humans.
Hantaviruses are rodent-borne viruses can be transmitted to humans by contact with faeces/urine from infected rodents or with dust containing infective particles. They may cause severe diseases. Eliminating contact with rodents is the best way to prevent infection.
Prompted by the increase of hantavirus activity in Europe observed in 2012, ECDC report reviewed the preventive measures and communication strategies in European countries.