Visceral leishmaniasis (Kala-azar)- Causes, Lab diagnosis, Treatments

Visceral leishmaniasis (Kala-azar)

What is Visceral leishmaniasis (Kala-azar)? Visceral leishmaniasis is sometimes known as systemic leishmaniasis or kala-azar. Kala-azar also is known as black fever or Dumdum fever in Asia. It usually occurs 3 to 6 months after being bitten by a sandfly. It primarily infects the reticuloendothelial system. It damages internal organs, … Read more

Cysticercosis- Clinical manifestations, diagnosis, treatment


What is Cysticercosis? Cysticercosis refers to the tissue infection caused by the metacestode, or larval stage, of Taenia solium. It is acquired by the accidental ingestion of T. solium eggs. It is endemic to many parts of the developing world, including Latin America, Asia, and sub-Saharan Africa. Cysticercosis is the … Read more

Plague and its forms caused by Yersinia pestis

Plague and its forms caused by Yersinia pestis

What is the Plague? Plague, a term originally applied to any widespread disease which causes great mortality. The name is now confined to Bubonic Plague, an infectious disease of animals and humans caused by the bacterium Yersinia pestis. History In AD 541, the first great plague pandemic spread throughout the … Read more

Prenatal detection and screening of genetic disorder

Prenatal detection and screening of genetic disorder

Prenatal detection This is useful for the detection of a genetic disorder and congenital syndrome before the birth of the child. And helpful for a parent to prepare mentally and medically for the baby coming with disability. Techniques used in prenatal detection There are several techniques that can be used … Read more

COVID-19: A Wake-up call for Disease X Preparedness


COVID-19  Coronavirus disease (COVID-19), which is caused by the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), was declared a pandemic by the World Health Organization (WHO) on 12th March 2020. The COVID-19 continues to ravage the global health system, with infection new cases rapidly spreading throughout the seven continents. The disease … Read more

Bacterial Foodborne Illness

Bacterial Foodborne Illness

Foodborne Illness definition Foodborne illness refers to the different diseases and infections caused by microorganisms in food items. This article is mainly focused on the Foodborne illness caused by bacteria. Another term related to foodborne illness is food poisoning. A closer look toward these terms can help to understand different … Read more

Examples of Single Gene Disorders

Single Gene Disorders

Image Source: A-T Society. About 10,000 or more single-gene disorders have been identified, which affect approximately 1-2% of the total population. Some of these disorders are as follow: Huntington disease The name of the disease is on the name of Dr. George Huntington, who describes this disease in 1872 in … Read more

List of disorders due to chromosomal aberration

Disorder due to chromosomal aberration

Image Source: Botany Studies. Chromosomal aberration definition Chromosomal aberration is a condition in which deletion or duplication of a particular chromosome in a set, lead to monosomy, nullisomy, trisomy, tetrasomy. Some disorders in human being due to chromosomal aberrations are as follows: Klinefelter syndrome (XXY) It is due to a … Read more

SARS-CoV-2- Infection, ACE-2 gene, herd immunity, vaccines

SARS-CoV-2 and COVID-19

Image created using Type of coronavirus strains There are seven strains of coronavirus Human Coronavirus 229E (HCoV-229E) Human Coronavirus NL63 (HCoV-NL63, New Haven Corona Virus) Human Coronavirus OC43(HCoV-OC43) Human Coronavirus HKU1 Middle East Respiratory Syndrome Related Coronavirus (MERS-CoV) previously known as novel coronavirus 2012 & HCoV-EMC Severe Acute Respiratory … Read more

Some common viral disease, symptom, prevention, treatment

Some common viral disease, symptom, prevention, treatment

Some common viral diseases, symptoms, prevention, treatment Image Source: iStockphoto 1- Smallpox Pathogen – Variola poxvirus. Mode of transmission – By air. Symptom – Small pinkish itchy spots appear on the body with fever. Prevention – Vaccination and proper sanitation. 2- Chickenpox Pathogen – Varicella zoster. Mode of transmission – … Read more