Dr. Hoo Feng Choo MD

Chronic Lyme disease is also known as persistent Lyme disease. It occurs in a patient who has been treated with antibiotics but continues to show signs and symptoms of the disease. This disease is also known as post-treatment Lyme disease. According to the Centers for Disease Control and...

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...

Valtrex is the name of the drug that contains valacyclovir. It is prescribed for many infections caused by the herpes virus, which includes cold sores, genital herpes, and shingles. Herpes virus can appear on any part of the body, but most often, it shows in the genitals and mouth. There are two...

As a healthcare worker, having excellent hygiene habits is not only better for you, it also lowers the risk of infection for everyone around you. With the existence of COVID-19, it is essential to re-evaluate your current hygiene habits and encourage others to do so as well, in order to reduce the...

What are cold sores?Cold sores or fever blisters are a very common perioral condition caused by the herpes simplex virus (HSV). There are two types of herpes simplex virus. Type 1 usually causes cold sores, although in some cases, the cold sores can also be caused by type 2. It is usually...

You've probably heard stories of people who have died of meningitis, or you've heard that contracting it is as simple as kissing someone with the infection. However, being aware of what is fact and what is fiction is important. Below are some of the myths about meningitis and their truths. ...