Don't Know Vaccines' Efficacy, Impact Over 6 Months: Scientist Dr Jerome Kim
Dr Jerome Kim, the Director General of International Vaccine Institute, says though the initial data from trials of the Pfizer and Moderna vaccines is encouraging, there are still a lot of unknowns as the information has not been peer reviewed. He also said the trials were conducted within a span of a few weeks and we still don't know the long-term impact of the vaccines.
