RIO DE JANEIRO (AP) — More than 1,000 Brazilian doctors who signed up to replace Cuban physicians working in Brazil's rural areas have quit within three months, the health ministry confirmed Friday.

The doctors who quit represent 12% of the 8,500 physician positions that opened after Cuba's government ended the More Medics program, which had sent Cuban doctors to areas where medical professionals were scarce in return for payments from Brazil.

Days after being elected Brazil's president on Nov. 28, far-right politician Jair Bolsonaro said he would renegotiate the program, which had been signed...