Provided are a photocatalytic titanium oxide capable of demonstrating antibacterial and antiviral effect when used in various applications, as well as an antibacterial, antiviral photocatalytic titanium oxide slurry in which the photocatalytic titanium oxide has been stably dispersed in a neutral area, and a method for manufacturing same. An antibacterial, antiviral photocatalytic titanium oxide, wherein 0.1 to 50 mass by weight in terms of the copper standard of at least one species selected from copper (II) phosphate and copper (II) pyrophosphate with respect to 100 mass by weight of titanium oxide particles is carried on at least the surface of the titanium oxide particles, and the 50% cumulative particle diameter (D50) (light scattering intensity standard) is 5 to 200 nm.提供一種應用於各種用途之際，能發揮抗菌抗病毒性之光觸媒氧化鈦、以及該光觸媒氧化鈦於中性區域穩定地分散之抗菌抗病毒性光觸媒氧化鈦漿液及其製造方法等。相對於氧化鈦粒子100質量份，於氧化鈦粒子表面之至少一部分擔持以銅為基準計0.1~50質量份之選自磷酸銅(II)及焦磷酸銅(II)的至少1種所成，且其50%累積粒徑(D50)(光散射強度基準)為5~200nm之抗菌抗病毒性光觸媒氧化鈦。
