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Introduction of Cryptosporidium Cryptosporidium is a coccidian parasite that causes diarrhea called Cryptosporidiosis. It was discovered by medical parasitologist, Ernest Edward in 1907. Human infection caused by Cryptosporidium parvum was seen in 1976. The clinically important species of this genus are C. parvum, C. mammals, …
Introduction of Aspergillus The genus Aspergillus has more than 180 species, among them, 38 are responsible to cause disease (able to grow at 37◦C. They are common in the environment. Aspergillus species are emerging pathogens which are ubiquitous molds that infect immunocompetent ( rarely) and immunocompromised …
Introduction Dengue is a mosquito (Aedes aegypti)-borne viral disease. It is a major health threat in the tropical and sub-tropical territories of the world, particularly in urban and semi-urban areas. Approximately 50-100 million individuals have been infected with this fever annually (WHO data) and more …
Introduction Alkaptonuria is an enzyme deficiency, homogentisic dioxygenase (HGD) rare inherited disorder. It is used to break down a toxic substance called homogentisic acid. Excess of homogentisic acid causes bones and cartilage to become discolored and brittle which causes later osteoarthritis, especially in the spine …
Introduction of Staphylococcus aureus Scientific classification of Staphylococcus aureus is given as: Domain Bacteria Phylum Firmicutes Class Bacilli Order Bacillales Family Staphylococceae Genus Staphylococcus Species aureus Table: Biological Classification of Staphylococcus aureus Staphyle means bunch and Kokko mean berry. Staphylococcus aureus was isolated by Pasteur (1880) from a pus sample. …
Introduction Cholera is an infectious disease that is caused by the Gram-negative bacterium, Vibrio cholerae. It is responsible for severe watery diarrhea, which can lead to dehydration and even death if untreated. Cholera occurs due to eating food or drinking water contaminated V. cholerae. 13 …