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2020-05-25 -Signs, Portents, and the Weather-
Coronaplague Roundup: Patients no longer infectious 11 days after getting sick though some still test positive
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Posted by Fred 2020-05-25 00:00|| E-Mail|| Front Page|| [228 views ]  Top

#1 India sees a record rise in coronavirus cases with 6,000 new infections amid fears it will become Asia's epicentre as Indonesia's death toll soars past 1,000 and Iran fears second wave
Posted by Skidmark 2020-05-25 00:29||   2020-05-25 00:29|| Front Page Top

#2 Coronaplague Roundup: Patients no longer infectious 11 days after getting sick though some still test positive

Now, what kind of an idiot can put his name on something like this?
Posted by g(r)omgoru 2020-05-25 02:24||   2020-05-25 02:24|| Front Page Top

#3 Now, what kind of an idiot can put his name on something like this?

It is important to realize that the news and commentary we get from the media has been passed through the Journalism filter. Through a glass stupidly, if you will.

Don't recall where I saw it, so no link, but someone was discussing the fact that some recovered patients still had bits of virus particles in their systems - basically the viral wreckage from the immune system vs virus war. The bits are not infectious, but do show up on tests.
Posted by SteveS 2020-05-25 02:42||   2020-05-25 02:42|| Front Page Top

#4 #3 According to worldometers average incubation period 5 days. Cases of up to 27 days been reported. 11 days is 97.5% confidence interval for symptoms to appear
Posted by g(r)omgoru 2020-05-25 03:33||   2020-05-25 03:33|| Front Page Top

#5 speaking of worldometer, that site has the US yesterdays with 630 deaths, the fewest since March

however, it was a Sunday before a federal holiday and, as was pointed out on this site (I forgot by whom), the angel of death is a slacker on Sundays
Posted by lord garth 2020-05-25 06:51||   2020-05-25 06:51|| Front Page Top

#6 The Al Arabiya article in question:

Coronavirus patients not infectious after 11 days even if they test positive: Study

COVID-19 patients are no longer infectious after 11 days of getting sick even though some may still test positive, according to a new study by infectious disease experts in Singapore.

A positive test “does not equate to infectiousness or viable virus,” a joint research paper by Singapore’s National Centre for Infectious Diseases and the Academy of Medicine, Singapore said. The virus “could not be isolated or cultured after day 11 of illness.”

Visit our dedicated coronavirus site here for all the latest updates.

The paper was based on a study of 73 patents in the city-state.

The latest findings may have implications on the country’s patient discharge policy. The discharge criteria are currently based on negative test results rather than infectiousness.
Posted by trailing wife 2020-05-25 07:30||   2020-05-25 07:30|| Front Page Top

#7 Incidentally, how do you test if somebody is NOT infectious - put them in a closed room with a septuagenarian for an hour?
Posted by g(r)omgoru 2020-05-25 08:04||   2020-05-25 08:04|| Front Page Top

#8 Just as with the Ebola scare, all sorts of medical assumptions are being tested for the first time. This link seen at Instapundit, for instance:

16% of recovered patients test positive for COVID-19 weeks after discharge: study. “Findings are based on small study in China, experts caution, so more research is needed.” Plus: “This might well happen with other viruses such as influenza, but no one has ever looked for it.”
Posted by trailing wife 2020-05-25 15:51||   2020-05-25 15:51|| Front Page Top

#9 Of course, there's another explanation - remember when Czechs (I think) announced that the test they bought from Chinese have 50% false positives?
Posted by g(r)omgoru 2020-05-25 16:10||   2020-05-25 16:10|| Front Page Top

#10 There are two larger series from S. Korea and Germany of around 2K individuals. By 'not contagious' it was determined that the subjects were not symptomatic; No one around them was becoming sick; and most importantly the virus couldn't be cultured - the gold standard for identifying active viral particles. RT-PCR, the test used to identify COVID19 RNA in nasopharyngeal swabs looks for fragments of RNA, not the entire genome of an active virus. I suspect that portions of the viral RNA as well as fragments of other proteins are maintained on macrophages, dendritic cells and other T-cells to use for immune system identification should the virus reappear (cue the Rantburg bloodhound gagging over the dirty underwear proferred as a scent pic). If the RNA fragment fits what the PCR is looking for, then a positive test.
Posted by George Grumble1826  2020-05-25 19:40||   2020-05-25 19:40|| Front Page Top

#11 ^ Thx
Posted by Frank G 2020-05-25 20:12||   2020-05-25 20:12|| Front Page Top

23:41 Clem
23:39 Clem
23:38 Clem
23:37 Clem
23:08 3dc
23:06 3dc
22:05 Fred
22:00 Lex
21:58 Lex
21:57 Lex
21:56 USN, Ret.
21:52 Woodrow
21:48 Flusorong Darling of the Faith3280
21:47 Woodrow
21:45 Woodrow
21:44 Flusorong Darling of the Faith3280
21:44 Woodrow
21:35 M. Murcek
21:35 Woodrow
21:34 Woodrow
21:33 Woodrow
21:31 M. Murcek
21:26 Woodrow
21:26 Clem

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