superinfect
/ˌsuːpərɪnˈfɛkt/ /ˌsjuːpərɪnˈfɛkt/verb
1 [with object] Medicine. To infect (an already infected person or animal) with a different organism; to cause superinfection of. In early use also: to reinfect (now rare ).
2 [with object] Virology. To infect (an already infected cell).
Origin
Early 20th century; earliest use found in Journal of Experimental Medicine. From super- + infect, after superinfection. Compare earlier superinfected.