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Coronavirus (Covid-19)

Covid-19 exposure doesn’t mean immunity, reinfections could be worse, study finds

Caitlin Ashworth

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PHOTO: Thailand Medical News

Exposure to Covid-19 may not make a person immune to future infections, and actually a second infection of the coronavirus could be more severe than the first, according to a recent study published by The Lancet Infectious Diseases journal.

After catching a virus like the chicken pox, or after getting a vaccine, the body produces antibodies to fight against the virus, making the person immune to future infections. Some diseases confer lifelong immunity. It’s still unclear how long Covid-19 antibodies last, but research shows some people, in rare cases, get infected with Covid-19 a second time.

The study noted a case where a 25 year old American man from Nevada was infected with 2 different variants of SARS-CoV-2, which causes Covid-19, within a 48-day time frame. The man’s second infection of the coronavirus was more severe and he needed to be hospitalised with oxygen support.

Lead study author from the Nevada State Public Health Laboratory, Mark Pandori, says more research needs to be done on the reinfections, especially since there still isn’t an effective vaccine.

“We need more research to understand how long immunity may last for people exposed to SARS-CoV-2 and why some of these second infections, while rare, are presenting as more severe.”

Reinfections are rare, with just a few confirmed cases out of tens of millions of Covid-19 cases around the world. Since coronavirus cases are asymptomatic, it’s unclear if some cases are actually reinfections.

Professor from Yale University’s Immunobiology and Molecular, Cellular and Development Biology, Akiko Iwasaka, says the findings are “key to understanding which vaccines are capable of crossing that threshold to confer individual and herd immunity.”

SOURCE: Bangkok Post

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13 Comments

13 Comments

  1. Avatar

    Issan John

    Tuesday, October 13, 2020 at 2:51 pm

    It’s a similar story with dengue fever, so it shouldn’t be a surprise to many.

  2. Avatar

    JOHN D

    Tuesday, October 13, 2020 at 3:40 pm

    Recent studies in Europe confirms that Covid 19 is not lowering the index of contagious but is not longer causing the same deadly response as it was during the first period of the pandemic. The problem is not over but the risks are less dangerous of the previous period. Now the Thai government should accepts these studies and accepts also the fact that a balance between the health of economy and the health of the people is the correct approach. The lockdown of the borders is not longer sustainable. Tourists should just present a negative Covid test done at least 72 hours before the departure. There are airline to offer Covid insurance. The zero risk is not sustainable and realistic, this government should accept this fact and open the borders without further delay. The solution adopted by the government is worst that the problem caused by the pandemic infection.

    • Avatar

      murika

      Tuesday, October 13, 2020 at 6:33 pm

      With so much uncertainty of long term effects and reinfection, it’s better to keep the borders closed for a few more month, Thailand is covid free and many lives have been saved, if they open now they won’t get much tourist anyway due to no planes flying and fear of people, so why take the risk to bring the covid in, Thailand can handle a break in tourism it will restart as before when the time has come

    • Avatar

      Frank

      Tuesday, October 13, 2020 at 7:07 pm

      Wow, you really are desperate to start sexpatting again, aren’t you John?

  3. Avatar

    Toby Andrews

    Tuesday, October 13, 2020 at 7:02 pm

    “In rare cases”
    “just a few confirmed case of tens of millions.”
    A big alarmist post and there is nothing to be alarmed about.
    Please – no more.

    • Avatar

      Manu

      Tuesday, October 13, 2020 at 11:26 pm

      Again, Toby Andrew, spot on, please no more…

    • Avatar

      Issan John

      Wednesday, October 14, 2020 at 4:49 pm

      That’s a second infection, Toby.

      For over a million people, and between 1 and 14% of those catching it, once is enough.

  4. Avatar

    Jim

    Tuesday, October 13, 2020 at 9:36 pm

    The Lancet has been exposed as a disreputable medical journal. They reported falsely that hydroxychloroquine was causing deaths and there are many other examples of fraudulent studies that contributed to the news media’s political agenda and fear mongering. I don’t believe any article that sources the lancet.

    • Avatar

      Manu

      Wednesday, October 14, 2020 at 12:40 am

      Yes, it took the Lancet 3 weeks to retract that particular study (and why was is there in the first place…?? How was it possible?), by then some scientists (reputable – not sold out to Big Pharma…well yes…) analised that during these 3 week, the rate mortality all over the world because of covid went up hugely (March)… Hydroxychloroquine was used in many countries then but then doctors, all over the world where this was used as a treatment, stopped giving it to patients because of that study (and it was purpose) but not all of them luckily and then it was announce as a “fraud” study..in the Lancet!! That’s the way it is…

  5. Avatar

    jacklord

    Tuesday, October 13, 2020 at 10:07 pm

    Of course they’re going to say this. Gotta milk that cow before she dries up completely.

    • Avatar

      Issan John

      Wednesday, October 14, 2020 at 4:29 pm

      Milk what cow?

  6. Avatar

    Paul Douglas McCarty

    Wednesday, October 14, 2020 at 12:33 pm

    Governments do not want to accept these recent studies. This might mean that the authorities need to give up some power and not abuse the populations. Allowing people to have freedom is so unlike police these days.

  7. Avatar

    Issan John

    Wednesday, October 14, 2020 at 4:46 pm

    “The problem is not over but the risks are less dangerous of the previous period.”

    According to who?

    According to what “studies”?

    A test done before departure is meaningless – at best impossible to verify and easy to fake by anyone with access to PhotoShop (ie anyone at all) and at worst out of date or inaccurate or both.

    A 3% inaccuracy would be 20 possible cases per flight – quarantine reduces this by a factor of over one thousand.

    “The solution is worst than the problem” … for who?

    For the tourists, who understandably want to escape from the hell of lockdowns, closed schools, unis, bars, restaurants, dentists, gyms, beaches, and any ‘normal’ social life, and who want to enjoy themselves?

    Or for the Thais who are suffering from an inevitable and unavoidable recession, but who otherwise (apart from those unfortunately in the tourism industry) still have a normal life enjoying all the things the wannabe-tourists can’t?

    Why should Thailand and the Thais risk their lives and their livelihoods, as well as their childrens’ and their parents’, just so some tourists can come here?

    Of course it’s a problem for those in the tourist industry, but what about everyone else?

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Caitlin Ashworth is a writer from the United States who has lived in Thailand since 2018. She graduated from the University of South Florida St. Petersburg with a bachelor’s degree in journalism and media studies in 2016. She was a reporter for the Daily Hampshire Gazette In Massachusetts. She also interned at the Richmond Times-Dispatch in Virginia and Sarasota Herald-Tribune in Florida.

Coronavirus (Covid-19)

PM Prayut Chan-o-cha seeks looser restrictions in ‘red’ zones

Tanutam Thawan

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Photo via Facebook/ PR Thai government

Covid-19 infections are still high, but PM Prayut Chan-o-cha says he wants restrictions to loosen up and businesses to reopen as soon as possible in provinces classified as “red” zones under tight control to combat Covid-19.

The prime minister says he has ordered governors of red zone provinces to look into easing disease control measures. Looking into each province’s Covid-19 situation and the restrictions’ impact on the local economy, governors are told to find a good balance that works well for both the economy and public health.

Spokesperson for the Centre for Covid-19 Situation Administration, Taweesilp Visanuyothin, says restrictions at restaurants in red zone provinces can be lifted if the situation improves.

PM Prayut Chan-o-cha seeks looser restrictions in 'red' zones | News by ThaigerPM Prayut Chan-o-cha seeks looser restrictions in 'red' zones | News by ThaigerSOURCE: Bangkok Post

 

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Thailand

American leaves hospital after being denied Covid treatment in same room as Thai wife

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Photo via The Pattaya News

An American man, who tested positive for Covid-19, is back in the hospital after fleeing when he was denied a shared room with this Thai wife-who was also undergoing Covid treatment. The 51 year old man left the northeastern Amnat Charoen province Chanuman hospital on May 9th after doctors declined to move his bed to that of his wife’s room. The man angrily went home without permission.

He was spotted walking on the road by local residents before being found by police at his home. The medical team convinced him to return to the hospital. But the incident has invoked stress among locals as they fear he could have spread the virus when he left the hospital. Thai social media was flooded with angry posts about the incident, with some calling for his arrest or deportation. In response, the Chanuman district chief has announced they will tighten security at the hospital to prevent any future incidents that are similar in nature.

The man’s name was not given, due to his Covid-19 status, and it has not been announced whether he will face any consequences after his actions.

Meanwhile, Thailand is reporting 1,630 new Covid-19 cases and 22 coronavirus-related deaths over the past 24 hours. There are now 29,376 active Covid-19 cases. Since the start of the pandemic last year, the CCSA has reported 85,005 Covid-19 cases and 421 Covid-related deaths.

Out of the 22 deaths, most of the patients had chronic illnesses. Many contracted the virus from family members or close friends.

Most of the new cases were detected in Bangkok, particularly in districts with crowded communities and markets. While cases in Bangkok continue to be high, CCSA spokesperson Natapanu Nopakun says the number of new cases in most other provinces in Thailand is decreasing.

Health officials are rolling out proactive case finding campaigns in several high-risk communities, testing 9,000 to 10,000 per day, Nopakun says, adding that officials are working to provide the appropriate treatment as quickly as possible.

Those who test positive for Covid-19 and are asymptomatic must stay at an official field hospital for 14 days and then self-isolate at home for another 14 days.

SOURCE: The Pattaya News

 

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Coronavirus (Covid-19)

Covid UPDATE: 1,919 new cases and 31 deaths, provincial totals

Tanutam Thawan

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Deputy spokesperson for the Ministry of Foreign Affairs Natapanu Nopakun / Photo courtesy of the Royal Thai Government

1,919 new Covid-19 cases and 31 coronavirus-related deaths were reported today in the Centre for Covid-19 Situation Administration’s daily briefing. Thailand now has 29,435 active cases. Since the start of the pandemic last year, the CCSA has reported a total of 86,924 infections and 452 Covid-related deaths.

At today’s CCSA briefing, Ministry of Foreign Affairs deputy spokesperson Natapanu Nopakun said that while the Covid-19 situation in Thailand may seem like it is stable, with cases decreasing or at zero in many provinces, the number of new infections reported each day is not declining.

“Infections are still concentrated in the hotspot which is Bangkok and the vicinity where several new cases were detected in active case finding.”

Out of the 1,919 new infections reported today, 885 were in Bangkok. Since April 1, more than 20,000 Covid-19 infections have been reported in the capital, first with clusters in the swanky Thong Lor nightlife district and now in the Khlong Toey slum.

Natapanu says that, fortunately, no new clusters were reported in Bangkok over the past day. He says a minor cluster was reported at a wet market in Nonthaburi, a suburb just outside Bangkok.

Out of the recent deaths, many had pre-existing conditions of high blood pressure and diabetes. Many contracted the virus from infected family members.

To prevent the emergence of the Covid-19 variant that was first detected in India, Natapanu says foreign nationals travelling from countries with the widespread transmission of the mutated strain are temporarily barred from entering Thailand. Thai embassies in Pakistan, Nepal and Bangladesh, where the Indian variant is spreading, have suspended the issuing of the required Certificate of Entry, or COE.

Covid UPDATE: 1,919 new cases and 31 deaths, provincial totals | News by Thaiger

Covid UPDATE: 1,919 new cases and 31 deaths, provincial totals | News by Thaiger

 

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