A.卵B.幼蜱C.若蜱D.蛹E.成蜱
A.大配子B.小配子C.合子D.卵囊E.包囊
A.經(jīng)口感染B.經(jīng)皮膚感染C.接觸感染D.經(jīng)胎盤感染E.經(jīng)節(jié)肢動(dòng)物感染