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Another delta cluster in Singapore at a hospital: “A fully vaccinated 46-year-old female nurse at TTSH, or case 62541, became the first case linked to the cluster after she tested positive on Apr 27.”

“In the Delta variant clusters, Prof Leo has seen vaccinated cases with family members who have tested positive. This means it could still be possible for vaccinated people to spread the virus.”

“The experts stressed that new variant strains arise when viruses evolve to adapt and evade human defences” “Disorganised, half-hearted attempts are exactly the prescription for viral mutants.”

Singapore’s tracking of covid cases is incredible. It’s only when you can clearly follow the chains of transmission that you can understand whether a new variant can infect and be spread by vaccinated individuals (only Pfizer and Moderna in Singapore btw).

The good thing is that full vaccination still confers protection against new variants, even if efficacy is slightly reduced. So it’s very important for people in high risk groups to get vaccinated, especially in places where there are low vax rates and new variants circulating.

For example, did any of the fully vaccinated airport workers who still got infected with the Delta end up transmitting it to other people?

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Alina Chan

@Ayjchan

· 6月21日

To understand the extent of the challenge, we have to look at places that are actually tracking their covid cases. Singapore: "of 28 airport workers who became infected, 19 were fully vaccinated with either the Pfizer or Moderna vaccines" nytimes.com/2021/05/14/wor

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We Spoke to People Who Got COVID-19 in India Not Once, but Twice

In India: “from his experience, he said patients with “reinfections have not landed in the Intensive Care Unit.”

Until recently, most studies suggested that COVID-19 reinfections are rare. But that’s changing as newer variants are being discovered.

Very useful covid tracking app for Singaporean cases h/t

@romeo_ph20

SG Covid Case Clusters

SG Covid Case Clusters. A graph-based dashboard that allows a more intuitive, easier way to see case relationships and spread since the start of the 2nd wave.

Looking at the Bukit Merah market cluster, you can see (if the data is indeed correct) that some vaccinated people are transmitting covid / SARS2 to other people. Green = fully vaccinated (pfizer/moderna) Yellow = 1 dose The selected (blue) vaccinated person is 23 years old.

The selected vaccinated person in this cluster is 39 years old. A chef working at Changi prison.

36 year old dealer at Marina Bays Sands Casino

18 year old national service man at the Civil Defence Academy

The site also tells you who was asymptomatic or symptomatic when they tested positive for covid-19. For example, in this mini-cluster of 3 fully vaccinated people, the connector person was asymptomatic.

The purpose of getting vaccinated is preventing severe disease/death. And when your community has high vaccination rates, the likelihood of clusters is diminished. This protects the elderly/vulnerable who may not be fully protected even after vaccination.

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Mac n’ Chise

@sailorrooscout

· 6月14日

Seeing some alarming takes this morning. Please remember, vaccines are preventives, NOT cures. One can still contract COVID once vaccinated. As long as that vaccine is preventing you from facing severe disease and worse, it IS working and doing exactly what it was designed to do.

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