(pos:動詞)
<explanation>
yue:#基因 或者#病原體 發生變化，改變內部結構
eng:to develop mutation; to mutate
<eg>
yue:呢種病毒變咗種之後就可以傳染俾人。 (ni1 zung2 beng6 duk6 bin3 zo2 zung2 zi1 hau6 zau6 ho2 ji5 cyun4 jim5 bei2 jan4.)
eng:After mutating, this virus became infectious.

(pos:名詞)
<explanation>
yue:#基因 或者#病原體 結構上嘅改變（量詞：個／隻）
eng:mutant strain; mutant; a mutation of a gene or pathogen; a change in the internal structure of a gene or pathogen
<eg>
yue:隻病毒嘅變種好厲害。 (zek3 beng6 duk6 ge3 bin3 zung2 hou2 lai6 hoi6.)
eng:The mutated strain of the virus is deadly.