Roundworm Infection
Roundworm Infection Roundworm infection, also known as ascariasis, is caused by Ascaris lumbricoides. It’s the most common type of intestinal worm infection, occurring worldwide. Most patients recover without treatment, but…
Rotavirus Infection
Rotavirus Infection Contact Precautions Rotavirus is the most common cause of severe diarrhea among children. The infection is characterized by vomiting and watery diarrhea lasting 3 to 8 days, commonly…
Roseola Infantum
Roseola Infantum Roseola infantum, also known as exanthema subitum or sixth disease, is an acute, benign viral infection that usually affects infants and young children ages 6 months to 2…
Rocky Mountain Spotted Fever
Rocky Mountain Spotted Fever Rocky Mountain spotted fever (RMSF) is a febrile, rash-producing illness caused by the bacterium Rickettsia rickettsii. The disease is transmitted to humans by a tick bite….
Rhinovirus Infection
Rhinovirus Infection Droplet Precautions Contact Precautions Rhinovirus, otherwise known as the common cold, is an acute, usually afebrile, viral infection that causes inflammation of the upper respiratory tract. It’s the…
Rheumatic Fever and Rheumatic Heart Disease
Rheumatic Fever and Rheumatic Heart Disease A systemic inflammatory disease of childhood, acute rheumatic fever develops after infection of the upper respiratory tract with group A beta-hemolytic streptococci. Rheumatic fever…
Respiratory Syncytial Virus Infection
Respiratory Syncytial Virus Infection Contact Precautions Respiratory syncytial virus (RSV) infection results from a subgroup of myxoviruses that resemble paramyxovirus. In infants and children, RSV is the leading cause of…
Recreational Water Illness
Recreational Water Illness Recreational water illnesses (RWIs) are a group of illnesses that occur secondary to swallowing, breathing, or being exposed to contaminated water from areas where water is enjoyed,…
