There is apparently a high frequency of MBL amongst individuals with hepatitis C infections and also a very low frequency of MBL among men and women vaccinated for pneumococcal or influenza bacterial infections.وَمَآ اَسْـَٔلُكُمْ عَلَيْهِ مِنْ اَجْرٍ اِنْ اَجْرِيَ اِلَّا عَلٰى رَبِّ