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A 7-year-old girl developed an erythematous malar rash with perioral pallor that has now spread to the extremities and evolved into a macular to morbilliform, lacy, reticular rash. The rash was preceded by headache, runny nose, low-grade fever, and sore throat. Her serum is positive for immunoglobulin M (IgM) antibodies against a small DNA virus. What is the most likely diagnosis?

A. Measles
B. Varicella
C. Rubella
D. Erythema infectiosum
E. Scarlet fever
 

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There are many causes of skin rashes in kids: some are:
Allergic Reaction.
Candidiasis (Yeast Infection, Candida)
Chickenpox.
Contact Dermatitis.
Fifth Disease.
Impetigo.
Measles.
Rocky Mountain Spotted Fever.
 

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Erythema Infectiosum is definitely the ans. Perfect presenting picture. Parvo virus B19 is the smallest DNA virus. All the other viruses mentioned are RNA.
 
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