Comparing yellow fever and scarlet fever
|Yellow Fever (viral infection) |Scarlet fever (streptococcal infection) | |Causative factors: |Causative factors: | |Yellow fever virus (flavivirus group) |Streptococcus bacteria | | |The bacteria make a toxin (poison) that can cause the | | |scarlet-colored rash from which this illness gets its name. | |Symptoms: |Symptoms: | |Two phases. |Often starts with sore throat or skin infection and fever, | |The first phase is normally fever, muscle pain (with prominent |followed by rash. | |backache), headache, shivers, loss of appetite, nausea or |The first sign of the rash is red blotches, which turn into a | |vomiting. |fine pink-red rash that feels like sandpaper to touch and looks | |The second phase is the ‘toxic’ phase where about 15% are |like sunburn. | |affected. The patient rapidly develops jaundice and complains of|It may start in one place but soon spread. | |abdominal pain with vomiting. Bleeding can occur from the mouth,|Other symptoms include headache, swollen neck glands, loss of | |nose, eyes and stomach. Blood appears in the vomit and faeces. |appetite, nausea and/or vomiting, stomach pain. | |Kidney function deteriorates; this can range from abnormal |...
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