Dr. John G Larsen MD

What is MRSA Infection ?MRSA (methicillin-resistant Staphylococcus aureus) infection is a bacterial infection caused by Staphylococcus aureus that has become resistant to many of the antibiotics commonly used for the treatment of a staphylococcus infection (and is consequently called "the...

What is pertussis?Pertussis, or whooping cough, is a highly contagious airborne disease of the respiratory system and can occur in children, adolescents, and adults of any age, unless they are vaccinated. The frequency of the occurrence in the U.S. are very promising, as annually there are 5,000 to...

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...

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...

The severity of meningitis varies from one person to another. In common cases, medications can help solve the problem and the person may recover within 1 to 3 weeks. But in cases where there is a risk of the infection spreading to the meninges, hospitalization and other confirmation tests might be...

Can You Contract Cholera Through Other Means Besides Water?Cholera is an infection that causes thousands of deaths around the world every year. The biggest challenge posed by cholera is that it is difficult to control and treat at the same time. The infection spreads very fast affecting a huge...