Unlinked cases are a concern because they suggest the presence of undetected reservoirs of infections in the community- .ST
SINGAPORE (The Straits Times/ANN): The number of unlinked Covid-19 cases in Singapore has been going up steadily this month, giving rise to concerns that there are undetected reservoirs of infections in the community.
There were 75 unlinked local Covid-19 cases reported from May 7 to May 20 (Thursday), compared with the total of 68 unlinked cases reported from the start of the year, before the spike.
