The 22-year-old's surge was down to his stunning All-England performance last week.
Players were 'under pressure' to play amid virus scare, claims India's Saina Nehwal.
The 26-year-old world No 7 was dominant throughout to claim the title.
World No 13's run checked in semis by second seed Viktor Axelsen.
Other BWF-sanctioned tournaments are also affected as Covid-19 outbreak escalates.
It is his second victory over the world No 5.
Badminton World Federation say they won't make adjustments to the Olympic qualification period.
Badminton star PV Sindhu sets her sight on the championship amid virus outbreak.
World No 1 admits his 'spirit was almost broken'.
Women's singles Olympic medallists PV Sindhu and Saina Nehwal are making the trip to Birmingham.
A slew of qualifying tournaments around the world have been cancelled due to virus outbreak.
Both were set in same month as All England Open, which is still set to go ahead.
Second-seeded men's pair Aaron Chia and Soh Wooi Yik lost to rivals from Denmark.
Cheam June Wei was Malaysia’s only bright spark in the final.
Malaysia face either Japan or Taiwan in the semi-finals tomorrow.
Event serves as qualifying tournament for Thomas and Uber Cups later this year.
World No 1 suffers orbital floor fracture, will take 3 months to heal.
Several sporting tournaments have been cancelled due to virus outbreak.
Several players have already withdrawn from the competition.
Malaysians were among 7 players axed from national team last month.
Badminton's governing body believes it could reduce shuttlecock usage up to 25%.
The shuttler was injured when the van he was in crashed into the back of a lorry on Monday.
Malaysia Masters winner suffered cuts and bruises in accident that killed his driver.
Victory lends credence to Momota's drive to win gold at Tokyo Olympics.