pathogenic pathogenic pathogenic pathogenic pathogenic pathogenic pathogenic bacteria|بیماری‌زا pathogenic cause disease pathogenic pathogenic pathogenic pathogenic bacteria|بیماری‌زا pathogenic pathogenic pathogenic pathogenic pathogenic pathogenic cause disease pathogenic pathogenic pathogenic pathogenic pathogenic cause disease pathogenic pathogenic pathogenic cause disease pathogenic pathogenic cause disease cause disease pathogenic cause disease pathogenic pathogenic bacteria|بیماری‌زا cause disease