AZ, 5-42 days, platelets >150 x 10 9 Home with safety net to return for retesting if any exacerbation of symptoms or ‘high index of suspicion', (unless needs workup of other diagnosis of concern) Current evidence suggesting the need for a ‘high index of suspicion' in this context is day 5-28 post AZ vaccine with new onset headache or abdominal pain which is atypical and severe in nature AZ, 5-42天,血小板<150 x 10 9进一步研究和工作,包括D二聚体和纤维蛋白原,而不是AZ,而是另一种Covid疫苗VITT不可能是AZ独有的,并且应在其他Covid-19疫苗后保持怀疑。