Andrew Patrick Petelin M.D.

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• What is HIV: Get the Facts

  Over the course of our four million or so years of evolution, we humans have developed a highly-specialized immune system that is quite a warrior in combating infections. We are bombarded daily by bacterial and viral pathogens which have the potential to cause us serious illness, but, completely...

• How is Cholera Diagnosed?

  How is Cholera Diagnosed?Cholera is an acute bacteria disease caused by a bacterium called Vibrio cholerae. Infection with the cholera bacteria can lead to severe vomiting and diarrhea and finally electrolyte loss or dehydration. If not treated, cholera can, in many cases, result in death.In order...

• What Is MRSA Infection?

  What is MRSA Infection ?MRSA (methicillin-resistant Staphylococcus aureus) infection is a bacterial infection caused by Staphylococcus aureus that has become resistant to many of the antibiotics commonly used for the treatment of a staphylococcus infection (and is consequently called "the...

• Can I Get Shingles If I Didn’t Have The Chicken Pox?

  As a child, you may not have contracted chicken pox, and you are wondering if you can get shingles. The answer is a simple yes. However, you don’t need to panic or get sweaty over this revelation. It does not mean that you must get shingles in the future, but there is a possibility you could...

• What Are the Causes and Symptoms of Rocky Mountain Spotted Fever?

  This bacterial disease was first identified in the Rocky Mountains, but is also found in the south eastern part of United States, Canada, Mexico, Central America, and South America. The potentially fatal disease is spread by the bites of wood ticks or dog ticks. Spring and summer seasons see a...

• Early Stages of Lyme Disease

  Lyme’s disease is acquired from the deer ticks which act as its host. The main cause, though, is a bacteria of the Borrelia type that is found in the tick saliva, and then transferred to humans whenever the tick bites.How do you contract Lyme disease?Deer ticks come in contact with humans in the...