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Virus

Margit Savović

Posts : 1776
Join date : 2012-02-11

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Post by Margit Savović on Mon Jul 27, 2020 3:20 pm

U periodu 11-27. jul broj umrlih:

12
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9
11
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9

Verovatnoća da vidimo ovako ravnu seriju 1:1500.
Јанош Винету

Posts : 2071
Join date : 2016-01-26

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Post by Јанош Винету on Mon Jul 27, 2020 3:37 pm

Како рачунате те вероватноће? Може појашњење за лошег ђака?
Знам да је у питању нешто са Пуасоновом расподелом, али не знам како бих то потврдио. Шта имамо као улаз? Претпостављам да имамо неку случајну променљиву који убацујемо у Пуасонову формулу?


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Burundi is an exception among other nations because it is a country which gave God first place, a God who guards and protects from all misfortune.
паће

Posts : 25558
Join date : 2012-02-12
Location : квантни физикалац

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Post by паће on Mon Jul 27, 2020 3:48 pm

buffalo bill wrote:
JUST IN: Google is set to keep its employees working from home until the summer of 2021

(Via WSJ)

Трајало ми је десет секунди да се сетим шта је WSJ а шта је SJW.


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  Турци су узимали 10% па је народ ишао у хајдуке
  may I worst your weight?
rumbeando

Posts : 2715
Join date : 2016-02-01

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Post by rumbeando on Tue Jul 28, 2020 5:13 pm

Health officials in the [Swiss] canton of Graubünden studying a recent outbreak among staff at a hotel found a worrying trend - all of those who were infected wore plastic face shields, while those who avoided infection wore face masks.

Several employees of the hotel tested positive along with a guest.

Rudolf Leuthold, head of the cantonal health department in Graubünden, said the face shields were the common denominator in infections.

“It has been shown that only those employees who had plastic visors were infected. There was not a single infection among employees with a mask.”

https://www.thelocal.ch/20200715/only-those-with-plastic-visors-were-infected-swiss-government-warns-against-face-shields
Mór Thököly

Posts : 19303
Join date : 2017-11-16
Location : Nándor fehérvár

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Post by Mór Thököly on Tue Jul 28, 2020 5:19 pm

Pa normalno, vizir vredi samo sa maskom
buffalo bill

Posts : 18199
Join date : 2015-11-22

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Post by buffalo bill on Tue Jul 28, 2020 5:20 pm

Pa dobro, sam vizor zaista nije posebna zaštita. Služi da ne uleti neka brzo ispljunuta kaplica pravo na lice, ali od sitnih kapljica koje se kovitlaju u vazduhu svakako ne štiti.
rumbeando

Posts : 2715
Join date : 2016-02-01

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Post by rumbeando on Tue Jul 28, 2020 5:55 pm

Bilo je samo vizir vs samo maska, a okačeno je kao ilustracija činjenice da maske uopšte nisu beznačajna zaštita za nosioca.
Mór Thököly

Posts : 19303
Join date : 2017-11-16
Location : Nándor fehérvár

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Post by Mór Thököly on Tue Jul 28, 2020 6:04 pm

Ma kakvi beznacajne. Pa da ih nema sad bi vec padali mrtvi ispred ambulanata u desetinama
rumbeando

Posts : 2715
Join date : 2016-02-01

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Post by rumbeando on Tue Jul 28, 2020 6:28 pm

Ma obično "stručnjaci" bulazne da maska štiti samo druge od nosioca, a nosioca vrlo malo, ako uopšte.

In other news:

Radnici fabrike u Beloj Crkvi umiru od korone, gazde ne daju bolovanje

M. Živković
28. 07. 2020.
14:24

Tri osobe su preminule u fabrici cipela "Brigde Srb" u Beloj Crkvi od posledica korone. Svi oni su bili primorani da rade kako pogon ne bi stao, bez obzira na virus i na to što se ljudi ne osećaju dobro. Fabrika i dan-danas radi bez prekida, radnicima ne daju bolovanje, nego im prete otkazom. Firmu drži Italijan, radnicima plaća minimalac i ne ponaša se kao vlasnik, već kao robovlasnik - istakla je za Direktno.rs građanka Bele Crkve Sonja Stajković, koja ne želi više da ćuti na sve ono što se dešava u tom mestu u Južnobanatskom okrugu.

Kap koja je prelila čašu jeste žrtvovanje ljudskih života zarad rada u fabrici.

- Poznavala sam sve te osobe koje su preminule. I njihovi najbliži takođe imaju simptome. Žena koja je umrla prošle nedelje imala je 43 godine. Bila je primorana da radi pod temperaturom. Kada se već bližio kraj, otišla je sa posla, a onda je ubrzo i preminula. Nije smela da rizikuje otkaz zbog ćerke koja studira, bio joj je potreban novac. Direktor fabrike jasno kaže da ako neko od radnika ne dođe na posao, automatski dobija otkaz. Nekoliko njih je zaista dobilo otkaze putem SMS-a jer nisu hteli da ugrožavaju svoje zdravlje i zdravlje porodica. U toj fabrici radi više od 300 radnika. To nije mala fabrika, a ovo nije veliki grad. To sve može vrlo brzo da se raširi, što i jeste. Smrt treće žene koja je danas preminula predstavlja nešto o čemu jednostavno ne može da se ćuti - rekla je naša sagovornica.

Prva žena, radnica ove fabrike koja je preminula, imala je oko 60 godina, s tim što je prema rečima gospođe Stajković, umrla neposredno pre nego što je izbila priča o pandemiji, ali je imala sve simptome korone.

- Doktor iz fabrike joj je rekao da ide kući da se odmori. Uopšte nije spominjao da treba da ode na pregled. Tek posle nekoliko dana konstatovali su da joj je jako loše i prevezli su je u bolnicu, ali je već bilo kasno. Tada korona zvanično još nije uzela maha pa nije bila testirana, ali kada se porode svi parametri i simptomi, postoji mogućnost da je imala kovid. Doktori koji rade i u Domu zdravlja, takođe su zaposleni i u ovoj fabrici, ali se to krilo izvesno vreme. To su doktor Borko Minić, načelnik Doma zdravlja i njegova supruga Emina Minić. Poslednjih nekoliko meseci ne dolaze na posao, kako bi se to zataškalo - kazala je Stajković.

Iz fabrike su dali naređenje da se radi i dalje kao da se ništa nije desilo.

- Imam puno prijatelja koji tamo rade, ali nemaju izbora. Kažu: "Pa šta ćemo, ostaćemo bez hleba". Ostali građani Bele Crkve jako su besni zbog svega ovoga. Novinar sa lokalnog portala preneo je informaciju da se sprema pobuna radnika fabrike, ali su odmah stigle ucene. Kad Italijan nešto drži i plaća minimalac, onda se ne ponaaša kao vlasnik fabrike, već kao robovlasnik. Bukvalno meri ljudima vreme odlaska u toalet, jako je teško pričati o svemu tome i mi kao građani Bele Crkve izuzetno smo besni. Svega nam je preko glave. Nas neko kontroliše i zaustavlja da proveri da li imamo maske u kolima, a ovakve stvari se dešavaju i zataškavaju - zaključila je naša sagovornica iz Bele Crkve.

https://direktno.rs/vesti/drustvo-i-ekonomija/291207/radnici-fabrike-u-beloj-crkvi-umiru-od-korone-gazde-ne-daju-bolovanje.html
Talason

Posts : 2027
Join date : 2020-03-06

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Post by Talason on Tue Jul 28, 2020 6:39 pm

maska nije obično sito koje prosejava, pa propušta veće, a zadržava manje

jako je važan sloj koji vrši elektrostatičku filtraciju

zato je kombinacija više slojeva jako važna, kao i njihov pravilan redosled pri konstrukciji

vizir je samo mehanička prepreka, koja poboljšava efekat maske


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.............I gazed a gazely stare
.............At all the millions here
.............We must have died alone,
.............A long-long time ago
ontheotherhand

Posts : 3324
Join date : 2015-02-17

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Post by ontheotherhand on Tue Jul 28, 2020 6:48 pm

šta načelnik DZ radi u fabrici?
rumbeando

Posts : 2715
Join date : 2016-02-01

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Post by rumbeando on Wed Jul 29, 2020 3:33 am

Anti-mask US senator who called coronavirus a hoax tests positive for Covid-19

Jason Rapert described face covering mandate as ‘an overreach of executive power’

An Arkansas senator who shared an article that described the coronavirus pandemic as a “hoax” has contracted Covid-19.
https://www.independent.co.uk/news/world/americas/us-politics/jason-rapert-coronavirus-hoax-face-mask-arkansas-asa-hutchinson-a9640156.html
rumbeando

Posts : 2715
Join date : 2016-02-01

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Post by rumbeando on Wed Jul 29, 2020 3:39 am

78% of COVID-19 patients show signs of heart damage after recovery

Michael Walter | July 27, 2020 | Cardiovascular Imaging

Cardiac involvement and myocardial inflammation are common in recovered COVID-19 patients, according to a new study published in JAMA Cardiology.

The authors studied cardiac imaging results of 100 adult patients included in the University Hospital Frankfurt COVID-19 Registry. All patients had confirmed cases of COVID-19 but passed a swab test after at least two weeks in isolation. They were recruited for this analysis between April to June 2020.

The team tracked patients who had experienced a wide variety of outcomes after their diagnosis. Just two of the 100 patients had to undergo mechanical ventilation, for example, and oxygen supplementation was required in 28 patients.

All participants underwent cardiac MR imaging using “standardized and unified” protocols on 3T MRI scanners. The cohort was compared with 50 healthy control patients and 57 risk factor-matched patients.

Overall, the team found that 78 patients had abnormal imaging findings. Findings included raised myocardial native T1 (73 patients), raised myocardial native T2 (60 patients), myocardial late gadolinium enhancement (32 patients) and pericardial enhancement (22 patients). Three patients underwent a biopsy after severe abnormalities were detected; “active lymphocytic inflammation” was present in these patients, but “no evidence of any viral genome.”


“The results of our study provide important insights into the prevalence of cardiovascular involvement in the early convalescent stage,” wrote lead author Valentina O. Puntmann, MD, PhD, University Hospital Frankfurt in Germany, and colleagues. “Our findings demonstrate that participants with a relative paucity of preexisting cardiovascular condition and with mostly home-based recovery had frequent cardiac inflammatory involvement, which was similar to the hospitalized subgroup with regards to severity and extent. Our observations are concordant with early case reports in hospitalized patients showing a frequent presence of late gadolinium enhancement, diffuse inflammatory involvement, and significant rise of troponin T levels.”

In addition, the team wrote, cardiac involvement appears to occur independent of the severity of the original COVID-19 infection. Additional research with a larger cohort is necessary, they added.

The full study from JAMA Cardiology is available here.
https://www.cardiovascularbusiness.com/topics/cardiovascular-imaging/78-covid-19-patients-heart-damage-recovery
rumbeando

Posts : 2715
Join date : 2016-02-01

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Post by rumbeando on Wed Jul 29, 2020 8:33 am

U samoj studiji piše da su neprobrani i da se 2/3 pacijenata kod kuće oporavljalo od virusa pri čemu nezanemarljiv broj uopšte nije imao simptome.

An unselected cohort of 100 patients who recently recovered from COVID-19 infection were included, of which 53 (53%) were male, and the median (IQR) age was 49 (45-53) years. Baseline characteristics are provided in Table 1. Most patients recovered at home (n = 67), with severity of the acute COVID-19 illness ranging from asymptomatic (n = 18) to minor to moderate symptoms (n = 49). A total of 33 severely unwell patients (33%) required hospitalization. In this group, 2 patients (2%) underwent mechanical ventilation, and 17 (17%) underwent noninvasive ventilation with positive airway pressure. Oxygen supplementation was required in 28 patients. In addition to respiratory support, patients received antiviral (n = 1), antibiotic (n = 15), and steroid (n = 8) therapy. Treatment with hydrochloroquinewas initiated in a single patient but discontinuedwithin days due to severe leukopenia. During hospitalization, a significant rise (13.9 pg/mL or greater) in hsTnT values was documented in 15 patients (15%). Preexisting cardiovascular conditions included hypertension, diabetes, and known coronary artery disease but no previously known heart failure or cardiomyopathy. Other significant conditions included asthma (n = 10) and chronic obstructive pulmonary disease (n = 11). All preexisting conditions were similarly distributed between patients who recovered at home vs hospitalized.

https://jamanetwork.com/journals/jamacardiology/fullarticle/2768916
Vasa

Posts : 483
Join date : 2018-03-03

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Post by Vasa on Wed Jul 29, 2020 9:35 am

i zvanično mi je pun kurac pametnih antimaskera, disača za vrat i onih što nose maske na laktu. mislim da sam iscrpeo svoje zalihe solidarnosti, potražiću onu masku sa polupropusnim ventilom koja štiti samo nosioca.


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Everybody digs a swinging cat.
Erős Pista

Posts : 57868
Join date : 2012-06-10

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Post by Erős Pista on Wed Jul 29, 2020 9:42 am

Virus 3579118792


Sto kaze Dik Solomon u 3rd Rock FTS, kupio sam kondome, ribbed, for her special pleasure. But I turned them inside out!


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"Oni kroz mene gledaju u vas! Oni kroz njega gledaju u vas! Oni kroz vas gledaju u mene... i u sve nas."

Dragoslav Bokan, Novi putevi oftalmologije
Vasa

Posts : 483
Join date : 2018-03-03

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Post by Vasa on Wed Jul 29, 2020 9:46 am

Virus 3579118792


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Everybody digs a swinging cat.
rumbeando

Posts : 2715
Join date : 2016-02-01

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Post by rumbeando on Wed Jul 29, 2020 5:12 pm

Direktorka Insitituta za javno zdravlje Srbije „Milan Jovanović Batut“ Verica Jovanović na današnjoj KZŠ kriznog štaba (na 15:26 na snimku):
Kada je u pitanju testiranje, pitanje vaše je bilo, znači prema podacima kojima mi raspolažemo, na današnji dan, dakle, od poslednjeg izveštaja testirano je 9653 osobe. Da, tu se nalaze i osobe koje su kontrolno testirane, i osobe koje su testirane za putovanja, i osobe koje su testirane ponovljeno zato što pri prvom testiranju nije bilo, naravno, rezultata, osoba se ne oseća dobro, za samim uzrokom se još uvek traga i indikovan je ponovo PCR test, i tu se nalaze i serološka testiranja po indikacijama koje je lekar postavio.


(na 15:26)
rumbeando

Posts : 2715
Join date : 2016-02-01

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Post by rumbeando on Wed Jul 29, 2020 5:30 pm

Virus VOuCkBF
https://www.apple.com/covid19/mobility
Mór Thököly

Posts : 19303
Join date : 2017-11-16
Location : Nándor fehérvár

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Post by Mór Thököly on Wed Jul 29, 2020 5:52 pm

rumbeando wrote:Direktorka Insitituta za javno zdravlje Srbije „Milan Jovanović Batut“ Verica Jovanović na današnjoj KZŠ kriznog štaba (na 15:26 na snimku):
Kada je u pitanju testiranje, pitanje vaše je bilo, znači prema podacima kojima mi raspolažemo, na današnji dan, dakle, od poslednjeg izveštaja testirano je 9653 osobe. Da, tu se nalaze i osobe koje su kontrolno testirane, i osobe koje su testirane za putovanja, i osobe koje su testirane ponovljeno zato što pri prvom testiranju nije bilo, naravno, rezultata, osoba se ne oseća dobro, za samim uzrokom se još uvek traga i indikovan je ponovo PCR test, i tu se nalaze i serološka testiranja po indikacijama koje je lekar postavio.


(na 15:26)

Glavno pitanje je koliko tu ima seroloskih ispitivanja procentualno
avatar

Posts : 3203
Join date : 2012-02-10

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Post by Jyrki Juhani Järvilehto on Wed Jul 29, 2020 8:00 pm

Jedn9m davno Kon je odgovotrio na to pitanje ne secam se tacno recimo oko 20%
Mór Thököly

Posts : 19303
Join date : 2017-11-16
Location : Nándor fehérvár

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Post by Mór Thököly on Wed Jul 29, 2020 8:06 pm

Ako je samo 20% to je super
Mór Thököly

Posts : 19303
Join date : 2017-11-16
Location : Nándor fehérvár

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Post by Mór Thököly on Wed Jul 29, 2020 8:28 pm

https://www.b92.net/info/vesti/index.php?yyyy=2020&mm=07&dd=29&nav_category=12&nav_id=1712542
avatar

Posts : 3203
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Post by Jyrki Juhani Järvilehto on Wed Jul 29, 2020 8:56 pm

A ja za par dana idem na zezanje u NS na brod
Vasa

Posts : 483
Join date : 2018-03-03

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Post by Vasa on Wed Jul 29, 2020 8:57 pm

Nema ovo veze sa vašim špriceranjem i pecanjem.


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Everybody digs a swinging cat.

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