"RTT" . "Finnish nobility" . "Austrian nobility" . "Danish nobility" . "German words and phrases" . "Swedish nobility" . "Protozoal diseases" . "World War II tanks of Germany" . "Plasmodium" . "Infectious diseases with eradication efforts" . "Insect-borne diseases" . "Vaccine-preventable diseases" . "Malaria" . "RTTID" . "Tropical diseases" . "German nobility" .