3 days ago · Fever, also referred to as pyrexia, is defined as having a temperature above the normal range due to an increase in the body's temperature set point. There is not a single agreed-upon upper limit for normal temperature with sources using values between 37.2 and 38.3 °C (99.0 and 100.9 °F) in humans.
Rocky Mountain spotted fever is an insect borne disease caused by the bacterium Rickettsia rickettsii. This particular bacterium has been commonly found within two different ticks in the United States: the dog tick in the Eastern region and the rocky mountain wood tick in the Western region, which have been typically known to be most abundant in the spring and early summer periods.
5 days ago · In addition, a form called variola sine eruptione (smallpox without rash) was seen generally in vaccinated persons. This form was marked by a fever that occurred after the usual incubation period and could be confirmed only by antibody studies or, rarely, by virus isolation.
- Insect Bites. You may develop red spots when insects such as bed bugs and mosquitoes bite you. These red spots can be very itchy and sometimes swell because your body releases histamines in response to these bites.
- Impetigo. Caused by bacteria, this contagious skin infection usually affects children and infants. You become affected when the bacteria enter your skin through cuts or insect bites.
- Dyshidrosis. Also known as pompholyx or dyshidrotic eczema, dyshidrosis causes tiny fluid-filled blisters to appear on your palms as well as on soles of your feet.
- Rocky Mountain Spotted Fever. Transmitted by tick bites, this serious bacterial infection causes red spots to appear on your ankles, wrists and soles.
3 days ago · Plague is an infectious disease caused by the bacterium Yersinia pestis. Symptoms include fever, weakness and headache. Usually this begins one to seven days after exposure. In the bubonic form there is also swelling of lymph nodes, while in the septicemic form tissues may turn black and die, and in the pneumonic form shortness of breath, cough ...
6 days ago · Incubation period is the time elapsed between exposure to a pathogenic organism, a chemical, or radiation, and when symptoms and signs are first apparent. In a typical infectious disease, the incubation period signifies the period taken by the multiplying organism to reach a threshold necessary to produce symptoms in the host.
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3 days ago · Legionnaires' disease, also known as legionellosis, is a form of atypical pneumonia caused by any type of Legionella bacteria. Signs and symptoms include cough, shortness of breath, high fever, muscle pains, and headaches. Nausea, vomiting, and diarrhea may also occur. This often begins 2–10 days after exposure.
Some of the most common infectious diseases are scarlet fever, strep throat, viral hemorrhagic fever, meningococcemia, Rocky Mountain spotted fever, and sepsis. Other Medical Conditions: Certain medical conditions such as leukemia, thrombocytopenia, vitamin K deficiency, and vitamin C deficiency can cause petechiae as well.
3 days ago · COVID-19 is a new disease and we are still learning about how it makes people sick. Cause. COVID-19: Caused by one virus, the novel 2019 coronavirus, now called severe acute respiratory syndrome coronavirus 2, or SARS-CoV-2.
Symptoms of Rocky Mountain spotted fever include headache, fever, chills, aches, pains, and sometimes nausea. These symptoms are usually accompanied by a rash that starts on the wrists and ankles. Early treatment of Rocky Mountain spotted fever with antibiotics can prevent severe illness, a person exhibiting any of these symptoms 2 to 14 days ...