AstraZeneca and Oxford University, who recently released results of the clinical trials for their COVID-19 vaccine candidate, on Wednesday, 25 November, acknowledged that there had been a manufacturing error that led to the 90 percent effectiveness of the shot, news agency AP reported.This statement reportedly admitting the error comes days after the company and the university released their results claiming a high degree of effectiveness, but chose to leave out mention of why some trial volunteers did not receive as much vaccine as expected.On 23 November, it was announced that the...…AstraZeneca and Oxford University, who recently released results of the clinical trials for their COVID-19 vaccine candidate, on Wednesday, 25 November, acknowledged that there had been a manufacturing error that led to the 90 percent effectiveness of the shot, news agency AP reported.This statement reportedly admitting the error comes days after the company and the university released their results claiming a high degree of effectiveness, but chose to leave out mention of why some trial volunteers did not receive as much vaccine as expected.On 23 November, it was announced that the...WW…