Dr. Karen L. Tsujimoto M.D.

Lyme disease is a bacterial infection that transmitted to human beings through ticks. Usually, getting this disease means that you will be sick for a very long time. Some people spend their entire lives living with the disease. The good news is that you can treat the disease within two years.Lyme...

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...

Thanks to the clinical trials that have been carried out to find a solution for fighting the novel coronavirus, the statistics of recovered patients in the world are slowly rising. Worldwide, we have a 25% recovery rate. Although that is still far beyond our target which is 100%, we should still...

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...

Herpes simplex is a retrovirus that infects humans. The virus is passed from one person to another through direct physical contact or contact with anything that has come in contact with saliva or other body fluids of an infected person.Once the virus enters the body, it has a clever mechanism to...

What is shivering?Exposure to cold or rapid shifts in temperature usually causes uncontrollable shivering. However, many other possible causes can cause shivering or chills. An uncontrollable shivering that persists for a longer time may indicate an underlying illness that requires immediate medical...