| Front | What is chronic penumonia caused by? |
| Back | TB |
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| Front | What is haemagglutanin? |
| Back | Protein.Major attachment protein of influenza.Major antigenic determinant for antibody response.Binds sialic acid groups present on many surface proteins on mammalian cells. |
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| Front | Which URTIs are most dangeorus in children? |
| Back | Acute epiglottitis.Croup |
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