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[2] [3] Symptoms vary from mild to severe, and usually begin six to 30 days after exposure. [4] [5] Often there is a gradual onset of a high fever over several days. [4] This is commonly accompanied by weakness, abdominal pain, constipation, headaches, and mild vomiting. [6] [5] [7] Some people develop a skin rash with rose colored spots. [5]
Diagnosis of continuous fever is usually based on the clinical signs and symptoms but some biological tests, chest X-ray and CT scan are also used. [2] Typhoid fever is an example of continuous fever and it shows a characteristic step-ladder pattern, a step-wise increase in temperature with a high plateau.
Typhoid Mary in a 1909 newspaper illustration. Mary Mallon was an asymptomatic carrier of Salmonella typhi who is thought to have infected 53 others with typhoid fever while continuing her work as a cook. An asymptomatic carrier is a person or other organism that has become infected with a pathogen, but shows no signs or symptoms. [1]
Symptoms usually begin 6–30 days after exposure and are the same as those of typhoid fever. [1] [3] Often, a gradual onset of a high fever occurs over several days. [1] Weakness, loss of appetite, and headaches also commonly occur. [1] Some people develop a skin rash with rose-colored spots. [2] Without treatment, symptoms may last weeks or ...
Without treatment, death may occur in 10% to 60% of people with epidemic typhus, with people over age 50 having the highest risk of death. [19] In the antibiotic era, death is uncommon if doxycycline is given. In one study of 60 people hospitalized with epidemic typhus, no one died when given doxycycline or chloramphenicol. [20]
What can we do to protect ourselves? Rajendram recommends people talk with their physician about vaccines during checkups. He suggests everyone ages 6 months and older get the flu shot.
With 15.5 million U.S. adults currently diagnosed with ADHD, there is a growing focus on warning signs of the disorder. Mental health experts share the most common signs and symptoms.
[4] [5] Epidemic typhus is spread to people through contact with infected body lice, in contrast to endemic typhus which is usually transmitted by fleas. [ 4 ] [ 5 ] Though typhus has been responsible for millions of deaths throughout history, it is still considered a rare disease that occurs mainly in populations that suffer unhygienic extreme ...