The bat harbored the BRZ batCoV virus, which the researchers say has likely been silently circulating in Latin America for some time.
The revamped open-access site tracks scientific progress toward the development of broadly protective coronavirus vaccines.
Since 2023, the country has ramped up MERS-CoV testing as part of sentinel surveillance.
The ratings aren't intended as a detailed threat assessment and don't indicate which pathogen is most likely to trigger the next pandemic, but instead are a guide for research investment.
Of the 4 infected men aged 27 to 78 years, 1 was exposed to the virus in a hospital, and 1 was indirectly exposed to camels and their raw milk.
The roadmap was created under the guidance of 50 scientific leaders.
The case is the fifth reported in Saudi Arabia this year.
The index case-patient, who died from his infection, shared a hospital room with the second patient identified.
The group steered away from defined cutoff points such as "droplets" and "aerosols" that scientists have used to distinguish larger particles from smaller particles.
Two people had connections to camels, but the exposure source is still unknown for two of the patients.
