Nation 3 Wuhan researchers ill before first cases revealed in 2019, report says; some vaccinated teens might have heart issues: Live COVID updates May 24, 2021May 24, 2021 John Bacon, Elinor Aspegren and Jorge L. Ortiz, USA TODAY Comments Off on 3 Wuhan researchers ill before first cases revealed in 2019, report says; some vaccinated teens might have heart issues: Live COVID updates China denied a report that three Wuhan researchers were hospitalized with possible coronavirus symptoms in November 2019. Latest COVID-19 news.