Dr. Rashi Lisa Singhal M.D., M.P.H.

Shingles is a contagious viral infection that is caused by the varicella zoster virus, the same virus that causes chickenpox. This virus affects a particular nerve section, causing painful rashes on the skin connected to that particular nerve. The rash normally appears in a form of a band on any...

Alternative Treatments for CholeraCholera is one of the most dangerous infectious diseases around the world, occurring mostly in Africa and other areas with a similar climate. The infection is mostly found in areas with extraordinarily high populations and poor sanitation services.Cholera is caused...

What Is Cholera?Cholera is an infectious disease that affects mostly the intestines, but causes complications to the rest of the body. Once a person suffers from cholera, the first parts of the body to be affected are the intestines. It is an infection caused by a bacteria known as the Vibrio...

Dengue fever is a more common and typical viral disease spread largely through the Aedes Aegypti mosquito and to some extent by the Aedes Albopictus mosquito. Initially rampant in more tropical and temperate countries, the disease gradually spread to other zones as populations started migrating to...

Dengue Fever is Caused by a VirusDengue fever is a viral disease common to tropical and subtropical countries where the weather is hot and humid for long stretches of the year. There are four strains of the virus - all belonging to the same family - that infect humans with dengue fever. A fifth...

OverviewA biopsy is a procedure that involves the removal of a sample tissue in the body to examine it closely under a microscope. The tissue is mainly examined to diagnose a certain disease. Some may use a needle or surgical methods to remove any lumps or suspicious nodules in the body. Some...