Astrovirus structure & classification
Family: Astroviridae
Genus: Avasteovirus & Mamastrovirus
(+)ss RNA NON ENVELOPED
2 human clades
Astrovirus clinical syndromes
Acute diarrhoea
Extra-GI in immunocompromised- meningitis & encephalitis
Astrovirus diagnostics
RT-PCR & typing offered by enteric virus unit (EVU) UKHSA Colindale
Biofire GI panel
Astrovirus therapeutics
Nitazoxanide & Ribavirin - unclear benefit