facultative pathogen meaning in Hindi

• अनाग्रही विकृतिजन • विकल्पी विकृतिजन

facultative: अनाग्रही वैकल्पिक
pathogen: रोगाणु पैथोजन

Phages have been used against diarrheal diseases caused by " E . coli ", " Shigella " or " Vibrio " and against wound infections caused by facultative pathogens of the skin like staphylococci and streptococci.