Yes.
But an open bottle, or one with an ‘old’ seal might evap some of the OH preferentially.
I’ve never thrown any away. Never had a problem.
Not Good.
Research showed that between three to 14 per cent of patients were diagnosed with the coronavirus, after already being given the all-clear.
At one hospital in Wuhan, doctors found that five of the 147 patients in a study tested positive again after recovery, Wang Wei, director of the city’s Tongji Hospital, told the state broadcaster CCTV yesterday.
...
The patients in Wuhan showed no symptoms after testing positive again, according to research done by the Wuhan medical.
The researchers also found no evidence they were still infections, as family members all tested negative.