Dr. David William O'neill M.D.

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...

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...

Mononucleosis is a disease that is spread through the Epstein-Barr virus. Specific details about the virus is still unknown. This virus is known to exhibit fatigue in people, accompanied by an aching body, swollen lymph nodes, and fever. This disease is known to be spread through saliva and other...

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...

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...

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...