Singapore has confirmed 15 more cases of locally - transmitted Zika virus infections , taking the total up to 20 . All of the cases are in or around the Aljunied area , southeast of the city - state , mostly from foreign workers from a nearby construction site owned by GuocoLand . Singapore reported its first Zika virus case in May this year in a man who had visited Brazil . Sales of mosquito repellents are banned in Singapore due to the risk . Health experts have warned that the Zika virus is likely to be significantly under - reported across tropical Southeast Asia since local health authorities are failing to conduct adequate screening .
Singapore has confirmed 15 more cases of locally-transmitted Zika virus infections, taking the tally up to 56. All of the cases are in or around the Aljunied area, southeast of the city-state, mostly from foreign workers from a nearby construction site owned by GuocoLand. Singapore reported its first Zika virus case in May this year in a man who had visited Brazil. Sales of mosquito repellents are soaring in Singapore due to increased risk. Health experts have warned that the Zika virus is likely to be significantly under-reported across tropical Southeast Asia since local health authorities are failing to conduct adequate screening.