COVID-19 — Turkey
The vaccine had been in stage one of trials, and proving to be effective in making antibodies. But it also generated HIV antibodies in some recipients — which meant it showed false positives for HIV. Further testing proved the HIV wasn’t there. CSL and UQ said fixing the flaw would take about a year, prompting a decision to abandon the trial. “It was likely to work. But we knew that we didn’t want to have any issues with confidence, and this false-positive test may have caused some confusion
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