The case of mammography is often brought up for this argument, but is a cherry picked example. Furthermore, it isn&#x27;t a blood test, so it isn&#x27;t even what is being argued against by fivethirtyeight.<p>There is no harm done by extremely accurate testing for HIV. and less accurate tests should be used in screening by medical professionals that know how to proceed from a positive result. Again, blanket statements like &quot;We Don’t Need More Blood Tests&quot; are dangerous