Bacteria Isolates Number Percentage % Streptococcus spp. 30 42.9 S. aureus 5 7.1 Other staphylococcus 19 27.1 Micrococcus 4 5.7 E. coli 9 12.9 Other gram negative rods 3 4.3 Total 70 100

Table 7: Isolates distribution and prevalence of pathogens found in Al Jouf, Saudi Arabia in 2011 [19].