OragwaA. O., OragwaF. C., and OluwayeluD. O. “Serologic Evidence of Silent Rift Valley Fever Virus Infection Among Occupationally Exposed Persons in Northern Nigeria”. The Journal of Infection in Developing Countries, Vol. 16, no. 05, May 2022, pp. 881-7, doi:10.3855/jidc.15367.