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Additional possible viral causes are arboviral flavivirus (St. Louis encephalitis, West Nile virus), bunyavirus (La Crosse strain), arenavirus (lymphocytic choriomeningitis virus), reovirus (Colorado tick virus), and henipavirus infections. [14] [15] The Powassan virus is a rare cause of encephalitis. [16]
Athlete's foot. Athlete's foot is a fungal infection that looks like cracked, scaly, and peeling skin found between the toes, most commonly the fourth and fifth toes, although it can spread to ...
Other symptoms to note: Acne is the most common skin condition affecting Americans, Dr. Zeichner says, so you likely have experience with pimples already. The causes vary, but are often rooted in ...
Pityriasis rosea is a type of skin rash. [2] Classically, it begins with a single red and slightly scaly area known as a "herald patch". [2] This is then followed, days to weeks later, by an eruption of many smaller scaly spots; pinkish with a red edge in people with light skin and greyish in darker skin. [4]
Poliomyelitis (/ ˌ p oʊ l i oʊ ˌ m aɪ ə ˈ l aɪ t ɪ s / POH-lee-oh-MY-ə-LY-tiss), commonly shortened to polio, is an infectious disease caused by the poliovirus. [1] Approximately 75% of cases are asymptomatic; [5] mild symptoms which can occur include sore throat and fever; in a proportion of cases more severe symptoms develop such as headache, neck stiffness, and paresthesia.
Countries without high rates of immunization still carry higher rates of bacterial disease. [14] While the disease can occur in both children and adults, it is more common in children. [1] Rates of infection tend to reach a peak in the summer and fall. [29] During an outbreak in Romania and in Spain viral meningitis was more common among adults ...
The most common symptoms are fever, intense headache, vomiting and neck stiffness and occasionally photophobia. [1] Other symptoms include confusion or altered consciousness, nausea, and an inability to tolerate light or loud noises. [1] Young children often exhibit only nonspecific symptoms, such as irritability, drowsiness, or poor feeding. [1]
Sweet syndrome (SS), or acute febrile neutrophilic dermatosis, [1] [2] is a skin disease characterized by the sudden onset of fever, an elevated white blood cell count, and tender, red, well-demarcated papules and plaques that show dense infiltrates by neutrophil granulocytes on histologic examination.