BHUBANESWAR : Odisha's COVID-19 tally on Wednesday crossed the 50,000-mark with the highest single-day spike of 1,876 fresh cases, while the death toll rose to 305 as nine more patients succumbed to the disease, a health department official said.The total number of coronavirus cases in the state now stands at 50,672, he said.Of the nine new fatalities, four were reported from Ganjam, two from Rayagada and one each from Angul, Balasore and Khurda districts.