The World Health Organization (WHO) is studying 10 vaccines in phase three trials as the northern hemisphere, with an increase in cases, faces a critical moment in the fight against COVID-19, said Friday a scientist, head of the world institution. “Our best expectations, from what we know from the ongoing trials, are that we might have the results of one or two of the vaccine trials before the end of the year, possibly from the end of November … Said Dr Soumya Swaminathan.
Speaking at a twice-weekly WHO webinar, Swaminathan said this went to the bare minimum from the findings that regulators consider eligible at least to be considered for authorization for the use of emergency. “These are therefore limited efficacy data and safety data. Now, based on that, regulators will need to look at the data and decide what to do with it.
“As you know, we have criteria that we put out there, minimum criteria for emergency use authorization,” she said. Swaminathan said expectations need to be balanced “because we know vaccine trial success rates are 10-20%.” She said the good thing is that there are a lot of candidates in trial, as there will be successes and there can also be failures. “We have to be prepared to accept both.”