However, a positive ANA reading alone does not indicate an autoimmune disease. 1  The prevalence of ANAs in healthy individuals is about 3 - 15%. 2  Some medications can cause a positive ANA. 3  Other conditions, such as cancer, can cause a positive ANA.
Driver is unavailable. There is no user action in the Devices page, which displays a status message that says âDriver unavailableâ. The user needs to get support from the device manufacturer. Driver error. There is no user action in the Devices page, which displays a status message that says âDriver errorâ.
The lack of external protection is a primary gauge for designating a road user as . vulnerable. Most vulnerable road users are those without a vehicle (and, thus, without a protective shell)âe.g., pedestrians. Those using a vehicle without a shellâe.g., cyclistsâare also in this group. These users also face a considerable mass disadvantage compared to larger vehicles. Task Capability . Vulnerable road users may also display a low . task capability (in this case, the ability to safely