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Travelers tested positive after quarantine measures

There were a two recent cases of travelers who were quarantined for 14 days and tested negative. They were later found to be positive.

What happened?

This is my reasoning from the available information provided in the media.

These travelers were infected from the community. They were not infected when overseas.

I suspect that the virus is quite widespread in the community, but it was mild and do not spread easily. I read a report that the risk of “secondary infection” was low.

Some people were more susceptible to the virus because their immunity was low. These two cases probably belong to this category of people.

As they were symptomatic, it is appropriate for them to be quarantined again.

We can be relaxed about asymptomatic people as the risk of their spreading the virus is low. I suspect that the virus is quite widespread in the community but the virus load is low. We do not need to worry about these cases, unless they virus load becomes seriously high, leading to symptoms.

I hope that the medical people in charge of the pandemic consider this possible interpretation. If it is proven to be correct, it will change our approach towards dealing with the spread of the virus.

 

Tan Kin Lian

 

 

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9 Responses to “Travelers tested positive after quarantine measures”

  • Singaporeans R Free Riders:

    Dear TKL,
    From politician to medical expert, you deserved to take over Winnie the Pooh Xi.

    GE2024.PAP.Guarantee.Win.HuatAgain
    Majullah $PAP$ $PAP$ Huat$ Huat$ Huat$

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  • Train & Bus Lover:

    Everyone should take SG trains & buses. Guaranteed no virus.

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  • 3Ts:

    The pappy govt has to take responsibility if travellers tested negative during SHN measure but tested positive subsequently when symptoms appear as they already infect others in the community after completing their quarantine period!

    Don’t just “shoot” the citizens when community cases climb up!

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  • xoxo:

    Is a SICK NATION BETTER THAN A SMALL BUT HEALTHY NATION?

    TOTAL DEFENCE IS A JOKE!
    SICK CITIZENS CANNOT EFFECTIVELY CONTRIBUTE TO TOTAL DEFENCE,per se.

    Stop conning your citizens with daft slogans.
    If you scholars want to be daft,its your F business.

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  • Soccerbetting2:

    Reported on Straits Times :Quote -”South Africa asks India’s Serum Institute to take back 1m Covid-19 vaccine doses: Report…

    PUBLISHED4 HOURS AGO….
    BENGALURU (REUTERS) – South Africa has asked the Serum Institute of India to take back the one million Covid-19 vaccine doses the company had sent in early February, The Economic Times reported on Tuesday (Feb 16), a week after the country said it will put on hold use of AstraZeneca’s shot in its vaccination programme.

    Serum Institute of India, which is producing AstraZeneca’s shot, has emerged as a key vaccine supplier. One million doses of the Covid-19 vaccine landed in South Africa last week and another 500,000 were due to arrive in the next few weeks.

    The company did not immediately respond to a Reuters request for comment.

    South Africa’s health minister has said the government may sell doses of AstraZeneca’s vaccine, after the country paused its roll-out following a small clinical trial that showed it offered minimal protection against mild to moderate illness from the 501Y.V2 coronavirus variant dominant in the country.

    AstraZeneca has said its vaccine appeared to offer only limited protection against mild disease caused by the South African variant, based on data from a study by South Africa’s University of the Witwatersrand and Oxford University.

    The African country, which is yet to launch its Covid-19 vaccination programme, has decided to start vaccinating health workers with Johnson & Johnson’s vaccine in the form of an “implementation study” with researchers.

    The Economic Times report also comes as the World Health Organisation on Monday listed the AstraZeneca-Oxford Covid-19 vaccine for emergency use…..”Unquote .

    Response : “South Africa asks India’s Serum Institute to take back 1m Covid-19 vaccine doses: Report” ???

    Obviously ,the AstraZeneca vaccine is ineffective ! So Simgapore government should wake up and stop purchasing those AstraZeneca vaccine for us ! Cheap thing obviously most of time isn’t good especially from India b**$* country ! If their India vaccine is effective,then their country will be free of corona virus .However we often have news that India b**$* went back to their India country and come back contracted corona virus ! Thus clearly sound a big akarm that their India country is deeply infested with corona virus and do not believe too much in their covered up media news that things are improving in their country ! Their system is a dumb system full of fake degree holders !

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  • PAP mandate strong:

    辉瑞疫苗在以色列获得巨大成功】目前以色列是全球接种新冠疫苗最多的国家,接种的均为辉瑞公司的mrna疫苗,根据最新的数据,以色列至少有72%的人口接种过疫苗第一针,对比同期没有注射疫苗的感染率,有效性93%,与辉瑞3期临床的数据95%基本吻合,预计3月初,以色列可以实现群体免疫。

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  • #06-195 Huang Ba Dan Lady:

    Wondering why we should bother with safe distancing when they are letting in infected travellers.

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  • oxygen:

    BE CAREFUL OF ADE -’antibody enhancement of disease”. Here is one case of Moderna vaccine

    Filipino in New York City develops blood disease after getting Modernas COVID vax.

    A Filipino living in New York City developed complications -survived a severe case of immune thrombocytopenia, a lack of platelets, after getting the vaccine last month – after getting the first shot of Moderna’s COVID-19 vaccine.

    She didn’t feel anything bad on the day she got the shot, but her situation changed the morning after.

    she is on her “second life” because experts didn’t expect she would survive thrombocytopenia.

    In January, a doctor from Miami Beach named Gregory Michael died of thrombocytopenia three days after getting the Pfizer-BioNTech vaccine. It remains unclear if the disease was caused by the vaccine.

    https://sg.yahoo.com/news/filipino-york-city-develops-blood-052603310.html

    ADE MIGHT BE A WALKING TIME BOOM for the vaccinated – the date of IMPLODED ADE eruption might turn rogue of mortality outcome is UNKNOWN of risks chances and its eventuality of impact.

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  • oxygen:

    Oops typo error above, sorry

    oxygen: ADE MIGHT BE A WALKING TIME BOOM for the vaccinated – the date of IMPLODED ADE eruption might turn rogue of mortality outcome is UNKNOWN of risks chances and its eventuality of impact.

    should be read as

    oxygen: ADE MIGHT BE A WALKING TIME BOMB for the vaccinated – the date of IMPLODED ADE eruption might turn rogue of mortality outcome is UNKNOWN of risks chances and its eventuality of impact.

    ADE is NOT a new medical risks known to doctors.

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