A 7 month old was brought to the emergency room due to difficulty breathing.Exam

Question

A 7 month old was brought to the emergency room due to difficulty breathing.Examination revealed wheezing due to bronchitis a fever of 102 F slightly blue lips lethargie and loss of appetite. A chest X ray revealed no signs of pneumonia.A specific virus was suspected and a rapid test for that virus yielded a positive result.The virus is a negative sense single stranded RNA virus. It has spherical fors that are 150-200 nanometers in size and filamentous forms that are 50 nanometers in size. The surface of the virus has F snd G lipoproteins. The virus also makes a Matrix protein that it uses for building from the host cell.The infant was placed on oxygen therapy and given ribavirin and steroids. A 7 month old was brought to the emergency room due to difficulty breathing.Examination revealed wheezing due to bronchitis a fever of 102 F slightly blue lips lethargie and loss of appetite. A chest X ray revealed no signs of pneumonia.A specific virus was suspected and a rapid test for that virus yielded a positive result.The virus is a negative sense single stranded RNA virus. It has spherical fors that are 150-200 nanometers in size and filamentous forms that are 50 nanometers in size. The surface of the virus has F snd G lipoproteins. The virus also makes a Matrix protein that it uses for building from the host cell.The infant was placed on oxygen therapy and given ribavirin and steroids.

Explanation / Answer

The virus belongs to Paramyxoviridae which is a family of viruses in the family Mononegavirales. There are about 49 species in this family, divided among 7 genera. Vertebrates, especially humans, are a natural host for this viruses. They cause respiratory tract infections among infants, commonly bronchitis.

Ribavirin is an antiviral drug and is used to treat such infections in combination with steroids.

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