Cryptosporidium parvum
MORPHOLOGY
LABORATORY DIAGNOSIS
PATHOGENECITY.
INTRODUCTION
LIFE CYCLE
HABITAT
Case on humans were repoted by the year 1976
Oppurtunistic infections and secondary infections may occur
1st reported by Tizer in 1907 on mouse
Epithelial layer of intestine
4 to 5µm in diameter
Got double walled cyst coverings
Only cyst form
Inside it has cresent shaped sporozoites
Transmitted through contaminated food and water
1 cyst - 4 sporozoites
Respiratory cryptoporosis, cholecystis, hepatitis, pancreatitis
Infection of gall bladder, ooscyst passed through stool.
In cheonic conditions, immuno compromised may get prolonged cholera like illness
In acute conditions causes normal diarrhoeaand recover in 2 to 3 days
Immunofluorescrnt antibody
Sputum examination
Acid fast staining
Histopathological examination
Direct wet mount
Molecular examination
Stool examination