Dr. Sabin Nsanzimana, the Director-General of Rwanda Biomedical Centre noted that "Most of the new cases are household members of previously confirmed Covid-19 positive in Rusizi", he tweeted.
Kamembe town, in Rusizi, is the largest concentration of cases in the region, has been put under total lockdown.
The Ministry of Health continues to urge heightened vigilance because the Rusizi cluster is still generating new cases.
Rusizi had by Sunday recorded 100 cases in two weeks.
According to statistics by Rwanda Biomedical Center as of Sunday, June 14, Rwanda's total confirmed cases were composed of 324 imported ones whereas the remaining 208 were contacts of imported cases.