Dr. Philip C Johnson M.D.

Recommended Articles

• What Are Lymphocytes? Low, Normal, and High Lymphocyte Counts

  Lymphocytes are a type of white blood cell produced in the bone marrow. A few lymphocytes enter the bloodstream while some move into the lymphatic system. Having a low or high lymphocyte count can help identify a person's medical condition. Normal lymphocyte counts usually vary from one laboratory...

• Is There a Window Period to Test for HIV?

  HIV is a virus that attacks and slowly destroys the immune system of the body. Once the virus gets into the body, it gets incorporated in the bloodstream and destroys white blood cells in the immune system. The immune system is a natural system that protects the body from infections. HIV is found in...

• The Symptoms and Treatment of Toxoplasmosis

  What is toxoplasmosis?Toxoplasmosis is a parasitic infection caused by a parasite called Toxoplasma gondii, which is found in humans and some types of animals. Although this parasite can infect all warm-blooded animals, it tends to only reproduce in the gut of felids, such as domestic cats and...

• What Causes Cholera?

  Cholera is an acute diarrheal disease that causes thousands of deaths each year and inflicts tremendous pain in areas where it has been reported. This infection is a great menace that has been disturbing humankind. However, it does not mean that cholera is everywhere or that it cannot be treated...

• Is There a Vaccine Against Lyme Disease?

  Spring brings a well-heightened mood to play outdoors, but it also marks the unpleasant beginning of Lyme disease season after season. The disease is rarely chronic. If there is a delay in the treatment, it might cause arthritis, meningitis, and heart problems. The patients can recover completely...

• Should you get tested?

  COVID-19 has caused massive anxiety to most, if not all of us, even to those people with a scientific background. We have been aware of the statistics: how fast the number of positive cases increases, the mortality rate, and even the number of recovered patients. The public is also being informed...