Sara Lagrand Arguello MD, MPHTM

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 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...

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...

Genital herpes is one of the most common sexually transmitted infections (STI) in the United States that mostly affects people between 14 and 49. It occurs as a result of infection with both types of herpes simplex virus (HSV)-HSV1 and HSV2. However, most people with genital herpes are infected with...

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...

What is HIV?HIV is a virus that was discovered in the 1980s. It attacks a person's immune system, causing it to be too weak to fight outside infections. The HIV virus works by destroying white blood cells, called CD4 cells, in the immune system, and progresses through three stages, the last of which...