The correct answer is - Is a polymicrobial infection of the upper reproductive tract.
Explanation:
PID or pelvic inflammatory disease is caused by a polymicrobial infection of the upper genital or reproductive tract. PID is characterized by specific symptoms such as purulent cervical discharge, low abdominal pain, and pain during intercourse. It involves microbial interference by interaction. It occurs often in women who are more sexually active. Antimicrobials or antifungals are used to treat this condition.
Vaccines protect travelers from serious diseases. Depending on where you travel, you may come into contact with diseases that are rare in the United States, like yellow fever. Some vaccines may also be required for you to travel to certain places.