U.S. Report Finds No Definitive Evidence on COVID-19 Origins as Agencies Remain Divided

New information revealed details about researchers at Wuhan lab who fell ill before first known cases but evidence inconclusive.
Five U.S. intelligence agencies believe virus emerged naturally while two favor theory it escaped from Wuhan lab.
Report confirmed lab had lax safety measures and conducted research on genetically engineering coronaviruses but found no evidence research led to pandemic.
Lawmakers criticized report for lack of details on ill researchers mandated by law as report deemed inconclusive.
Pandemic has killed nearly 7 million worldwide as determine how it began remains fiercely debated with no consensus in sight.