Dr. Janet S Chen M.D.

Pertussis is an infection of the upper respiratory system. The disease is highly contagious and spreads through the coughing and sneezing of an infected individual. This highly contagious and airborne disease is caused by the bacteria called Bordetella pertussis. The symptoms of pertussis typically...

Orchitis is an inflammatory condition of the testes caused by an infection from a virus or bacteria. The infection could be because of mumps, mononucleosis or STDs. Infection due to bacteria develops from the progression of epididymitis, a tube that carries semen out of the testes. Mumps virus is...

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...

How do I protect my baby from mumps?The virus of mumps is an airborne virus, which means that it spreads quickly between children and adults unless they have been vaccinated. Mumps is a common childhood illness. Your baby is protected from mumps when he/she has already has this infection or has been...

It is natural to be concerned about whether immunization is safe for your child or not. However, doctors recommend getting children immunized because vaccines are thoroughly checked before they are licensed for use. The measles, mumps, and rubella (MMR) vaccine is the most effective way to protect...

Is Cholera Contagious?Cholera is one of the most dangerous infections that has claimed the lives of many people especially people living in very poor environmental areas. These are areas where there is poor sanitation, poor ventilation, and dirty water. Most of the victims of cholera over many years...