Dr. John Santos MD

Recommended Articles

• Everything You Need to Know About Conjunctivitis

  What is Conjunctivitis?Conjunctivitis is an inflammation of the conjunctiva (a transparent membrane that covers the white part of the eyeball and lines the eyelids). Conjunctivitis is also known as pink eye, due to the characteristic pink or reddish color of the whites of the eyes.What Causes...

• Allergy Reality Launches Tools for Advocating and Educating Those with Food Sensitivities

  The beginning of a new school year is an exciting time for students and parents alike. Many students look forward to meeting up with friends and sharing about their summer vacation adventures. Also, there’s the prospect of meeting new teachers and learning more about the world around them as well...

• What Is Ascariasis: Symptoms and Treatment

  What is ascariasis?Ascariasis is a parasitic infection of the small intestine caused by the roundworm called Ascaris lumbricoides. Ascariasis is a common roundworm infection, especially in children. According to one of the reports from the World Health Organization (WHO), about 10 percent of the...

• Is Vaccination an Old Method or Another Achievement of the Modern Era?

  In the early 19th to the 20th century, parents would have been surprised to know that future generations would be free from childhood diseases. Diphtheria was then one of the most common diseases that took the lives of thousands of children, while polio left thousands of children crippled. Measles...

• Why Do Some Vaccines Have to Be Injected Twice?

   What is active immunity?...

• What Are Vaccines?

  What is a vaccine?Vaccines are products that enable a person to develop immunity against certain diseases. A vaccine can be given through needle injections, by aerosol, or by mouth. The polio vaccine is given in the form of mouth drops that contain live but weakened organisms. The vaccine gets into...