COVID-19 Insights: Are There Asymptomatic COVID-19 Patients?
Asymptomatic Cases of SARS-COV-2
Asymptomatic kids
Clinical and epidemiological features of 36 children with coronavirus disease 2019 (COVID-19) in Zhejiang, China: an observational cohort study
https://www.thelancet.com/journals/laninf/article/PIIS1473-3099(20)30198-5/fulltext
36 children. All were identified to be infected with severe acute respiratory syndrome coronavirus 2
Asymptomatic (ten [28%]) or
had acute upper respiratory symptoms (seven [19%]).
COVID-19 Antibody Seroprevalence in Santa Clara County, California
https://www.medrxiv.org/content/10.1101/2020.04.14.20062463v1
Their disclaimer
This article is a preprint and has not been certified by peer review [what does this mean?]. It reports new medical research that has yet to be evaluated and so should not be used to guide clinical practice.
Total population of the county is 1.9M
On the sample date 3rd and 4th of April, confirmed coronavirus cases in Santa Clara County was around 1,100. This is 0.05% of the population
Tested antibodies to SARS-COV-2 in the serum.
3,330 people
The population prevalence of COVID-19 in Santa Clara ranged from 2.49% (95CI 1.80-3.17%) to 4.16% (2.58-5.70%).
These prevalence estimates represent a range between 48,000 and 81,000 people infected in Santa Clara County by early April
50-85-fold more than the number of confirmed cases.
Coronavirus spread: Number of people infected by COVID-19 may be 50-80 times higher than official count, Stanford study suggests
https://abc7news.com/stanford-coronavirus-study-number-people-infected-by-santa-clara-county-total-covid-19/6110894/
GERMANY TO INTRODUCE CORONAVIRUS 'IMMUNITY CERTIFICATES' FOR RECOVERED PUBLIC
https://www.newsweek.com/germany-antibodies-tests-general-public-immunity-certificates-1494934
healthy/asymptomatic cases
NIH begins study to quantify undetected cases of coronavirus infection
https://www.nih.gov/news-events/news-releases/nih-begins-study-quantify-undetected-cases-coronavirus-infection
SARS-COV-2 Antibody tests begin for understanding the seroconversion in
UC Berkeley to test 5,000 healthy people in East Bay for coronavirus
https://www.sfchronicle.com/health/article/UC-Berkeley-launches-study-to-test-5-000-healthy-15206367.php
Over eight months, the researchers will conduct rounds of diagnostic tests using nasal swabs to identify infections. And they will take saliva and blood samples to look for antibodies, which would indicate that such people had had COVID-19 and recovered — perhaps without ever realizing they’d been infected with the coronavirus.
Presymptomatic Transmission of SARS-CoV-2 — Singapore, January 23–March 16, 2020
https://www.cdc.gov/mmwr/volumes/69/wr/mm6914e1.htm?s_cid=mm6914e1_w
Asymptomatic and Presymptomatic SARS-CoV-2 Infections in Residents of a Long-Term Care Skilled Nursing Facility — King County, Washington, March 2020
https://www.cdc.gov/mmwr/volumes/69/wr/mm6913e1.htm
You May Be Infected With Coronavirus and Not Know It
https://health.usnews.com/health-care/patient-advice/articles/asymptomatic-coronavirus-carriers-what-you-need-to-know
25% of the infected may be asymptomatic
CDC Director On Models For The Months To Come: 'This Virus Is Going To Be With Us'
https://www.npr.org/sections/health-shots/2020/03/31/824155179/cdc-director-on-models-for-the-months-to-come-this-virus-is-going-to-be-with-us
I have been saying this for a long time.
1 in 4 people can be asymptomatic
One of the [pieces of] information that we have pretty much confirmed now is that a significant number of individuals that are infected actually remain asymptomatic. That may be as many as 25%. That's important, because now you have individuals that may not have any symptoms that can contribute to transmission, and we have learned that in fact they do contribute to transmission.
And finally, of those of us that get symptomatic, it appears that we're shedding significant virus in our oropharyngeal compartment, probably up to 48 hours before we show symptoms. This helps explain how rapidly this virus continues to spread across the country, because we have asymptomatic transmitters and we have individuals who are transmitting 48 hours before they become symptomatic.
Pediatrician says 80% of kids likely have coronavirus, but they're so asymptomatic you'd never know
https://www.cbsnews.com/news/coronavirus-children-pediatrician-80-percent-asymptomatic/
Children are asymptomatic, mildly symptomatic, or note tested. But they are spreading the virus.
Видео COVID-19 Insights: Are There Asymptomatic COVID-19 Patients? канала Drbeen Medical Lectures
Asymptomatic kids
Clinical and epidemiological features of 36 children with coronavirus disease 2019 (COVID-19) in Zhejiang, China: an observational cohort study
https://www.thelancet.com/journals/laninf/article/PIIS1473-3099(20)30198-5/fulltext
36 children. All were identified to be infected with severe acute respiratory syndrome coronavirus 2
Asymptomatic (ten [28%]) or
had acute upper respiratory symptoms (seven [19%]).
COVID-19 Antibody Seroprevalence in Santa Clara County, California
https://www.medrxiv.org/content/10.1101/2020.04.14.20062463v1
Their disclaimer
This article is a preprint and has not been certified by peer review [what does this mean?]. It reports new medical research that has yet to be evaluated and so should not be used to guide clinical practice.
Total population of the county is 1.9M
On the sample date 3rd and 4th of April, confirmed coronavirus cases in Santa Clara County was around 1,100. This is 0.05% of the population
Tested antibodies to SARS-COV-2 in the serum.
3,330 people
The population prevalence of COVID-19 in Santa Clara ranged from 2.49% (95CI 1.80-3.17%) to 4.16% (2.58-5.70%).
These prevalence estimates represent a range between 48,000 and 81,000 people infected in Santa Clara County by early April
50-85-fold more than the number of confirmed cases.
Coronavirus spread: Number of people infected by COVID-19 may be 50-80 times higher than official count, Stanford study suggests
https://abc7news.com/stanford-coronavirus-study-number-people-infected-by-santa-clara-county-total-covid-19/6110894/
GERMANY TO INTRODUCE CORONAVIRUS 'IMMUNITY CERTIFICATES' FOR RECOVERED PUBLIC
https://www.newsweek.com/germany-antibodies-tests-general-public-immunity-certificates-1494934
healthy/asymptomatic cases
NIH begins study to quantify undetected cases of coronavirus infection
https://www.nih.gov/news-events/news-releases/nih-begins-study-quantify-undetected-cases-coronavirus-infection
SARS-COV-2 Antibody tests begin for understanding the seroconversion in
UC Berkeley to test 5,000 healthy people in East Bay for coronavirus
https://www.sfchronicle.com/health/article/UC-Berkeley-launches-study-to-test-5-000-healthy-15206367.php
Over eight months, the researchers will conduct rounds of diagnostic tests using nasal swabs to identify infections. And they will take saliva and blood samples to look for antibodies, which would indicate that such people had had COVID-19 and recovered — perhaps without ever realizing they’d been infected with the coronavirus.
Presymptomatic Transmission of SARS-CoV-2 — Singapore, January 23–March 16, 2020
https://www.cdc.gov/mmwr/volumes/69/wr/mm6914e1.htm?s_cid=mm6914e1_w
Asymptomatic and Presymptomatic SARS-CoV-2 Infections in Residents of a Long-Term Care Skilled Nursing Facility — King County, Washington, March 2020
https://www.cdc.gov/mmwr/volumes/69/wr/mm6913e1.htm
You May Be Infected With Coronavirus and Not Know It
https://health.usnews.com/health-care/patient-advice/articles/asymptomatic-coronavirus-carriers-what-you-need-to-know
25% of the infected may be asymptomatic
CDC Director On Models For The Months To Come: 'This Virus Is Going To Be With Us'
https://www.npr.org/sections/health-shots/2020/03/31/824155179/cdc-director-on-models-for-the-months-to-come-this-virus-is-going-to-be-with-us
I have been saying this for a long time.
1 in 4 people can be asymptomatic
One of the [pieces of] information that we have pretty much confirmed now is that a significant number of individuals that are infected actually remain asymptomatic. That may be as many as 25%. That's important, because now you have individuals that may not have any symptoms that can contribute to transmission, and we have learned that in fact they do contribute to transmission.
And finally, of those of us that get symptomatic, it appears that we're shedding significant virus in our oropharyngeal compartment, probably up to 48 hours before we show symptoms. This helps explain how rapidly this virus continues to spread across the country, because we have asymptomatic transmitters and we have individuals who are transmitting 48 hours before they become symptomatic.
Pediatrician says 80% of kids likely have coronavirus, but they're so asymptomatic you'd never know
https://www.cbsnews.com/news/coronavirus-children-pediatrician-80-percent-asymptomatic/
Children are asymptomatic, mildly symptomatic, or note tested. But they are spreading the virus.
Видео COVID-19 Insights: Are There Asymptomatic COVID-19 Patients? канала Drbeen Medical Lectures
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18 апреля 2020 г. 18:44:36
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