It is also possible that some blood types are not as easily thinned by the anticoagulant in the mosquito's saliva, so the mosquito has to make more tries to get a satisfying meal.
另一种可能性是蚊子唾液中的抗凝血剂对有些血型不那么起作用，所以蚊子要想吃个饱饭就要多试几次。
2
A big study by the Cochrane Institute showed that among people who managed their own anticoagulant treatment, repeat blood clots declined by half; deaths from clots also fell.