In a tweet shared by the App, they said, the crossed out syringe icons means that you have received an exemption for a total of 90 days, from any COVID -19 related vaccines, which appears after testing positive for COVID-19.
They continue to explain that, 11 days after receiving a positive PCR test result, your AlHosn app will automatically be green for 30 days, followed by 60-day exemption, during which you must receive angative PCR test rey every 17days to maintain the green status.
See the tweet below...