question: What virulence factors do some bacterial species have ?
answer: some have immunomodulatory effects , and some can directly adhere to and intoxicate host cells
turker_answer: Some bacterial species have virulence factors such as immunomodulatory effects and some can directly adhere to and intoxicate host cells .
rule-based: Some have immunomodulatory effects , and some can directly adhere to and intoxicate host cells do some bacterial species have .