What is RSV? Respiratory syncytial virus, or RSV, is a common respiratory virus that infects the nose, throat, respiratory tract, and lungs. RSV symptoms are not specific,…

Treatments and interventions People treated with appropriate antibiotics in the early stages of Lyme disease usually recover rapidly and completely. The antibiotics most commonly used to treat…

Diagnosis When assessing a patient for Lyme disease, your healthcare provider will consider: The signs and symptoms of Lyme disease The likelihood that you have been exposed…

Overview The bacteria that cause Lyme disease are spread to people through the bites of infected blacklegged ticks, also called deer ticks. Lyme disease is the leading…

How it spreads The bacteria that cause Lyme disease in the United States, Borrelia burgdorferi and, rarely, B. mayonii, are spread to people through the bites of…

Overview Lyme disease is an illness caused by the bacteria Borrelia burgdorferi and spread by blacklegged ticks. Although most people recover completely when treated with a 2-…

“Bull’s-eye” or target lesion Circular, expanding rash with target-like appearance. Expanding rash with central crust Expanding lesion with central crust on chest. Photo credit: Bernard Cohen Expanding…

Signs and symptoms Early signs and symptoms (3 to 30 days after tick bite) Fever, chills, headache, fatigue, muscle and joint aches, and swollen lymph nodes may…

Clinical trials Clinical trials of new vaccines for Lyme disease are underway. Valneva and Pfizer have developed a Lyme disease vaccine candidate, LB6V (formerly VLA15), that recently…