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प्रश्न
Complete the following table:
| Diseases | Causative agent | Site of infection | Incubation period |
| Mumps | |||
| Chicken pox | |||
| Dengue fever |
उत्तर
| Diseases | Causative agent | Site of infection | Incubation period |
| Mumps | Mumps virus (RNA virus), Paramyxo virus | Salivary glands | 16 to 18 days |
| Chicken pox | Varicella - Zoster virus (DNA Virus) | Respiratory tract, skin and nervous system | 14 to 16 days |
| Dengue fever | Dengue virus or Flavi virus (DENV 1 - 4 virus) | Skin and blood | 4 to10 days |
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