<p>A 23-year-old Indian national with a work permit who had received both doses of Covid-19 vaccine was the sole locally transmitted case among 20 infections confirmed on Sunday.</p>.<p>The Health Ministry has warned that an individual can get infected even after vaccination.</p>.<p>The Indian, who worked as a lashing specialist, was detected as Covid-19 positive through pooled rostered routine testing on April 7, according to a news report.</p>.<p>After his polled test results came positive on April 8, he was immediately isolated and an individual test was conducted on April 9.</p>.<p><a href="http://www.deccanherald.com/tag/covid-19" target="_blank"><strong>Follow DH's latest updates on Covid-19, here</strong></a></p>.<p>When the second result too was positive, he was taken to the National Centre for Infectious Diseases.</p>.<p>"This case is a reminder that it is possible for vaccinated individuals to get infected. But the vaccine is effective in preventing symptomatic disease for a vast majority of those immunised," the health ministry was quoted as saying in a media report on Sunday night.</p>.<p>It noted that the worker's serology test had come back positive, likely due to the antibodies produced following vaccination.</p>.<p>The Indian man testing positive for Covid-19 was the first in a workers' dormitory since February 28.</p>.<p>Such facilities housing foreign workers had the highest Covid-19 cases during the peak of the coronavirus spread last year.</p>.<p>The health ministry said further research is required to determine if vaccination will prevent onward transmission of the infection.</p>.<p><strong>Also Read | <a href="https://www.deccanherald.com/international/may-reopen-borders-by-year-end-says-singapore-pm-lee-hsien-loong-961839.html" target="_blank">May reopen borders by year-end, says Singapore PM Lee Hsien Loong</a></strong></p>.<p>"That is why we cannot afford to let our guard down," it said. "Our existing key enablers -- safe management measures, testing, and contact tracing -- continue to be necessary and effective in helping us to mitigate the spread and keep community transmission low."</p>.<p>Epidemiological investigations are underway, while all identified close contacts of the Indian man have been isolated.</p>.<p>They will be tested at the start and end of their quarantine period to detect any asymptomatic cases.</p>.<p>"We will also conduct serological tests for the close contacts," the health ministry said.</p>.<p>Singapore has so far reported 60,653 Covid-19 infections. With 13 patients discharged on Sunday, the total number of recoveries reached 60,320.</p>.<p>As of now, 58 patients remain in hospitals and one is in intensive care while 230 are recuperating in community facilities.</p>.<p>Singapore has had 30 deaths from Covid-19 complications, while 15 who tested positive have died of other causes.</p>
<p>A 23-year-old Indian national with a work permit who had received both doses of Covid-19 vaccine was the sole locally transmitted case among 20 infections confirmed on Sunday.</p>.<p>The Health Ministry has warned that an individual can get infected even after vaccination.</p>.<p>The Indian, who worked as a lashing specialist, was detected as Covid-19 positive through pooled rostered routine testing on April 7, according to a news report.</p>.<p>After his polled test results came positive on April 8, he was immediately isolated and an individual test was conducted on April 9.</p>.<p><a href="http://www.deccanherald.com/tag/covid-19" target="_blank"><strong>Follow DH's latest updates on Covid-19, here</strong></a></p>.<p>When the second result too was positive, he was taken to the National Centre for Infectious Diseases.</p>.<p>"This case is a reminder that it is possible for vaccinated individuals to get infected. But the vaccine is effective in preventing symptomatic disease for a vast majority of those immunised," the health ministry was quoted as saying in a media report on Sunday night.</p>.<p>It noted that the worker's serology test had come back positive, likely due to the antibodies produced following vaccination.</p>.<p>The Indian man testing positive for Covid-19 was the first in a workers' dormitory since February 28.</p>.<p>Such facilities housing foreign workers had the highest Covid-19 cases during the peak of the coronavirus spread last year.</p>.<p>The health ministry said further research is required to determine if vaccination will prevent onward transmission of the infection.</p>.<p><strong>Also Read | <a href="https://www.deccanherald.com/international/may-reopen-borders-by-year-end-says-singapore-pm-lee-hsien-loong-961839.html" target="_blank">May reopen borders by year-end, says Singapore PM Lee Hsien Loong</a></strong></p>.<p>"That is why we cannot afford to let our guard down," it said. "Our existing key enablers -- safe management measures, testing, and contact tracing -- continue to be necessary and effective in helping us to mitigate the spread and keep community transmission low."</p>.<p>Epidemiological investigations are underway, while all identified close contacts of the Indian man have been isolated.</p>.<p>They will be tested at the start and end of their quarantine period to detect any asymptomatic cases.</p>.<p>"We will also conduct serological tests for the close contacts," the health ministry said.</p>.<p>Singapore has so far reported 60,653 Covid-19 infections. With 13 patients discharged on Sunday, the total number of recoveries reached 60,320.</p>.<p>As of now, 58 patients remain in hospitals and one is in intensive care while 230 are recuperating in community facilities.</p>.<p>Singapore has had 30 deaths from Covid-19 complications, while 15 who tested positive have died of other causes.</p>