were there any results of microbiological tests on patient 64292's direct antigen test for varicella-zoster virus since 1 year ago?
select count(*)>0 from microbiologyevents where microbiologyevents.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 64292 ) and microbiologyevents.spec_type_desc = 'direct antigen test for varicella-zoster virus' and datetime(microbiologyevents.charttime) >= datetime(current_time,'-1 year')