1920-1923 नि समाव, र'कफेलार फाउन्डेशननि हादोरगेजेरारि सावस्रि ब'र्डआ मेक्सिक'आव मोनसे बेसेनगोसा आरो जाफुंसार जन्दिस बेराम फोजोबस्रांनाय हाबाफारि जागायदोंमोन।
During 1920–1923, the Rockefeller Foundation's International Health Board undertook an expensive and successful yellow fever eradication campaign in Mexico.