
Two coronavirus vaccine candidates failed in clinical trials, indirectly proving that the vaccine development process works. The measures put in place will ensure that only the drugs that are both effective and safe will be approved. University of Queensland and CSL agreed to stop clinical trials in Australia after researchers found the drug had an unexpected side effect: false-positive HIV diagnoses. The drug delivered a robust response against COVID-19, but a fix could take up to 12 months. Th...
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