researcher holding alzheimer`s vaccine clinical trial for alzheimer disease prevention of elderly patient

039 acent alzheimer alzheimeracent alzheimers amylid amyloid anot apolipoprotein background bottle brain care chemistry clinical concept cure dementia development diagnose diagnosis diagnostic disease doctor drug elderly experiment health healthcare illness immunity immunization laboratory medical medication medicine memory neurofibrillary neurology neuroscience patient patients people pharmaceutical prevention preventive protection research researcher science test therapy treatment trial vaccination vaccine vial