Ascaris egg human causes human infection / become invasive / if?

Ascaris is a dangerous parasite that usually lives in the intestines of the host. in the life cycle of the roundworm there is an egg stage, basically, it passes when it is in the soil. Human infection can occur after approximately 15 to 30 days from the date of exposure to the soil. The egg enters the human body through unwashed dishes, hands, fruits or vegetables. The larval stage takes place in the lungs, then it moves to the digestive system, and, directly, to the intestine, where it fixes and grows to the stage of an adult worm.