 And the NCDC says that Nigeria's COVID-19 infections on Wednesday stood at 188,880. A total of 637 additional infections and seven deaths were recorded on August 25. The NCDC announced via its verified website on Thursday. It said also the new infections indicate a decrease from 655 cases reported on Tuesday. The public health agency noted that a seven COVID-19 related deaths recorded on Wednesday increased the country's fatality figure to 2,288. The agency said that there was a surge of the Delta variant in five states and cautioned Nigerians that the Delta variant is more contagious than previous versions of COVID-19. It advised unvaccinated people to get vaccinated. It adds that everyone in areas of substantial or high transmission should wear a mask even if vaccinated. NCDC did not indicate a majority of the known active cases were from the contagious Delta variant.