O+ is common, but O- is rare.
A person with O- can only receive O- blood.
O+ is common, but O- is rare.
A person with O- can only receive O- blood.
Are you using the Summit App by any chance? If yes, the workaround is: Settings > Misc > Client user-agent. Choose “Use test user agent”.
Pro tip: Get yourself a good audiobook and listen to it while walking. I regularly do extra long walks just because I want to continue listening.