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Coronavirus (Covid-19)

Coronavirus v SARS, a quick comparison

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Coronavirus v SARS, a quick comparison | The Thaiger
PHOTO: The new virus is spreading faster but appears much less deadly than SARS - Los Angeles Times
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SARS, the Severe Acute Respiratory Syndrome, was a viral respiratory disease caused by the SARS coronavirus (SARS-CoV). Between November 2002 and July 2003, the eight month outbreak in southern China infected a total of 8,098 people, resulting in 774 deaths in 17 countries. Two years ago Chinese scientists traced SARS’ origins through the intermediary of civets (cat-like small mammals) to cave-dwelling horseshoe bats in the Yunnan province in southern China, bordering Myanmar.

The majority of cases were in mainland China and Hong Kong and had a 9.6% fatality rate, according to the World Health Organisation. No cases of SARS have been reported anywhere in the world since 2004.

As of 2017, there was no cure or protective vaccine developed for SARS that has been shown to be either safe or effective in humans. The identification and development of vaccines and medicines to treat SARS patients remains a priority for governments and public health agencies around the world.

Comparing the novel coronavirus to the SARS outbreak, at the current rate of around 1,000 new cases a day, the coronavirus should have infected half of the number of the 8,096 people stricken with the SARS virus, by the middle of this week. SARS took around 8 months to reach that level of cases.

Scientists studying the new coronavirus say the infectiousness of the virus is not as strong as SARS, but have added that people are being infected at a faster rate.

David Heymann, the chairman of a World Health Organisation committee gathering data on the outbreak, says the virus appears to spread more easily from person to person than previously thought. The death rate of the latest coronavirus outbreak is far smaller than that seen during the SARS outbreak.

Like the SARS virus, the Wuhan coronavirus is also being traced to animals, including bats, believed to have been consumed by Wuhan locals from a popular fresh meat market.

Read the latest update in the coronavirus situation HERE.

Coronavirus v SARS, a quick comparison | News by The Thaiger

Coronavirus v SARS, a quick comparison | News by The Thaiger

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Coronavirus (Covid-19)

Dengue fever antibodies might contribute to Thailand’s low Covid-19 count

Caitlin Ashworth

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Dengue fever antibodies might contribute to Thailand’s low Covid-19 count | The Thaiger
PHOTO: Flickr

Antibodies from dengue fever might raise immunity against Covid-19, according to study done in Brazil. It suggests a correlation between the mosquito transmitted illness and the coronavirus, citing lower Covid-19 cases in areas with past dengue outbreaks, like south east Asia. Thai doctor Manoon Leechawengwongs says this might be why Thailand has significantly less Covid-19 cases than other countries around the world.

Since the start of the outbreak, many scientists have been confused by south east Asia’s generally low infection rate and posited various theories about some local “immunity”.

Thailand has more than 100,000 dengue patients every year, he says, adding that many locals take the BCG vaccine for tuberculosis to prevent dengue. There have been 3,545 Covid-19 cases in Thailand with 59 deaths and 3,369 recoveries.

Duke University professor Miguel Nicolelis led the study and recently spoke to Reuters reporters about his findings. He says the study first focused on the spread of Covid-19 in Brazil and they came across the correlation between dengue and the coronavirus by accident. The study says areas in Brazil with high numbers of dengue infections had a comparatively low number Covid-19 cases while areas with low numbers of dengue cases had a high number of Covid-19 cases.

“This striking finding raises the intriguing possibility of an immunological cross-reactivity between dengue’s Flavivirus serotypes and SARS-CoV-2 … If proven correct, this hypothesis could mean that dengue infection or immunization with an efficacious and safe dengue vaccine could produce some level of immunological protection (against the coronavirus).”

Miguel adds past studies found that those with dengue antibodies can falsely test positive for Covid-19.

“This indicates that there is an immunological interaction between two viruses that nobody could have expected, because the two viruses are from completely different families.”

The study was posted on MedRxiv, but has not yet been peer reviewed. Manoon warns that Thai people should still abide by coronavirus prevention measures to prevent a possible second wave.

Click HERE to read the study on how dengue fever may have influenced the spread of Covid-19 in Brazil.

SOURCES: Reuters | Nation Thailand|Worldometer

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Coronavirus (Covid-19)

22 new cases of Covid-19 detected in Thailand

The Thaiger

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22 new cases of Covid-19 detected in Thailand | The Thaiger

The Thai government’s CCSA has reported another 22 new cases of Covid-19 this morning, raising the country’s total of infections to 3,545. The vast majority of these have recovered – 3,369. The death toll is unchanged at 59 people.

The new cases have come from imported cases, returnees and visitors, and became apparent whilst they were in quarantine during routine tests. The people have arrived from South Sudan, 4 people from India, 1 from Pakistan and 1 from the Philippines.

22 cases is the largest number of daily cases announced in a 24 hour period since April 5 this year when Thailand was emerging from its first wave.

22 new cases of Covid-19 detected in Thailand | News by The Thaiger

SOURCE: worldometers.info

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Coronavirus (Covid-19)

Thai medic cautions against reducing quarantine period for foreign tourists

Maya Taylor

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Thai medic cautions against reducing quarantine period for foreign tourists | The Thaiger
PHOTO: AFP

On one side there is a push to re-open Thailand’s borders to re-start the beleaguered tourist industry. On the other hand Thai officials are try to keep Covid-19 contained and fear the re-opening of the borders. Even the suggestion to reduce the quarantine time from 14 to 7 days is not gaining support from health officials.

Now, a doctor from the Faculty of Medicine at Bangkok’s Chulalongkorn University says reducing the quarantine period for foreign tourists would be inviting disaster. Dr. Thira Woratanarat made his statement after a suggestion from the Tourism and Sports Minister that quarantine could be halved if all goes well when Thailand re-opens its borders to a limited number of foreign tourists.

“In Thailand, if we decide to follow the proposal to reduce the quarantine time to 7 days, it would be an invitation to disaster.”

Thira points to a growing number of cases in many parts of the world, with around 350,000 new cases a day reported worldwide. The number of total deaths from the virus has now reached the 1 million mark.

For its part, the government says Minister Pipat Ratchakitprakarn’s proposal is not under consideration and that all foreign tourists will still be subject to mandatory 14 day quarantine. Officials say until the global pandemic situation improves, current restrictions remain in place.

A plan is underway to allow a limited number of foreign tourists to return to the Kingdom under a Special Tourist Visa scheme. The visa is due to be approved today when PM Prayut Chan-o-cha chairs a meeting of the government’s Covid-19 task force.

SOURCE: Nation Thailand

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