Dead Weight by E.C. Tubb

Sam Falkirk, Captain of the World Police and stationed at the World Council building in New York, has a special interest in investigating the sudden and inexplicable death of Angelo Augustine, the brother of his girl friend. A messenger employed by the Council, Augustine was also a spy in the pay of Senator Rayburn, a fanatical Nationalist who is fighting both to retain his power and to destroy the Orient before they, as he believes, turn against the Occident.

Augustine had died while delivering a parcel containing a statue of a Buddha for an employee of Senator Sucamari of the Japanese Legation, and who, in his own way, is as fanatical as Rayburn himself. Sucamari wants to gain living room for the teeming millions of the Orient, and his secret plan involves the releasing of a deadly bacterial plague across the Americas. The bacteria is contained in a special coating on the Buddha statue, but when the statue is stolen by a petty criminal, millions of people hover on the brink of agonizing death, unless Falkirk can find the criminal in time…