RT @AbraarKaran: 2/ This matters because #SARSCoV2 viral load has been shown to peak on the day of symptom onset. Presymptomatic transmis…
@GovMLG "44% of those with COVID-19 contract the virus from someone who shows no symptoms." Did you gleam this statistic from this study which had 94 patients in the study and was conducted in China. Its the 1st ref of the stat you mentioned. -> http
RT @AbraarKaran: 2/ This matters because #SARSCoV2 viral load has been shown to peak on the day of symptom onset. Presymptomatic transmis…
@ds_siete @MichaelJWise1 @ChellyRS84 @EthicalSkeptic Infection relates to viral load which can be quite high with Covid19 prior to or at the tone of symptom onset. Other viruses are not like this: https://t.co/07CokmRcaZ
RT @AbraarKaran: 2/ This matters because #SARSCoV2 viral load has been shown to peak on the day of symptom onset. Presymptomatic transmis…
RT @AbraarKaran: 2/ This matters because #SARSCoV2 viral load has been shown to peak on the day of symptom onset. Presymptomatic transmis…
RT @AbraarKaran: 2/ This matters because #SARSCoV2 viral load has been shown to peak on the day of symptom onset. Presymptomatic transmis…
2/ This matters because #SARSCoV2 viral load has been shown to peak on the day of symptom onset. Presymptomatic transmission is estimated to account for nearly half of the transmission burden. https://t.co/xDn1a27QOj
RT @DrZoeHyde: (11/20) People with #COVID19 are most infectious up to 2 days before symptom onset. It's estimated that 44% of secondary cas…
RT @DrZoeHyde: (11/20) People with #COVID19 are most infectious up to 2 days before symptom onset. It's estimated that 44% of secondary cas…
RT @jafetcares: Disminuir requisitos de la prueba supone una importante herramienta para detectar presitonmáticos y evitar la propagación d…
RT @jafetcares: Disminuir requisitos de la prueba supone una importante herramienta para detectar presitonmáticos y evitar la propagación d…
RT @masanaga0319: https://t.co/Qv38ZzKzlz ・COVID-19は症状発症0-2日前に感染力のピークがある。 ・約半数が自分の発症前に誰かに感染させている。 ・症状発症8日後には感染力が大幅に低下する。 ・濃厚接触者の定義を症状出現後の接…
RT>コロナウイルスで無症状患者の感染力についての情報 病院記事 https://t.co/YnrX4rnu14 ウイルス量の論文 https://t.co/lWZEbTjAcz
RT @DrZoeHyde: (11/20) People with #COVID19 are most infectious up to 2 days before symptom onset. It's estimated that 44% of secondary cas…
RT @trishgreenhalgh: 15/ Objection 13: You only need to cover your face if you're coughing and sneezing. Rebuttal 13: Between 23% & 62% of…
RT @jafetcares: Disminuir requisitos de la prueba supone una importante herramienta para detectar presitonmáticos y evitar la propagación d…
RT @DrZoeHyde: (11/20) People with #COVID19 are most infectious up to 2 days before symptom onset. It's estimated that 44% of secondary cas…
RT @DrZoeHyde: (11/20) People with #COVID19 are most infectious up to 2 days before symptom onset. It's estimated that 44% of secondary cas…
RT @DrZoeHyde: (11/20) People with #COVID19 are most infectious up to 2 days before symptom onset. It's estimated that 44% of secondary cas…
RT @DrZoeHyde: (11/20) People with #COVID19 are most infectious up to 2 days before symptom onset. It's estimated that 44% of secondary cas…
RT @jafetcares: Disminuir requisitos de la prueba supone una importante herramienta para detectar presitonmáticos y evitar la propagación d…
RT @jafetcares: Disminuir requisitos de la prueba supone una importante herramienta para detectar presitonmáticos y evitar la propagación d…
RT @jafetcares: Disminuir requisitos de la prueba supone una importante herramienta para detectar presitonmáticos y evitar la propagación d…
RT @jafetcares: Disminuir requisitos de la prueba supone una importante herramienta para detectar presitonmáticos y evitar la propagación d…
RT @jafetcares: Disminuir requisitos de la prueba supone una importante herramienta para detectar presitonmáticos y evitar la propagación d…
Disminuir requisitos de la prueba supone una importante herramienta para detectar presitonmáticos y evitar la propagación del virus a partir de ellos. Se estima que los presintomáticos generan entre el 24-69% de los contagios secundarios. https://t.co/LtC
Interesante artículo sobre la dinámica temporal en la eliminación viral y la transmisibilidad de COVID-19. https://t.co/z8t4z1q5Ir
RT @chungk1031: RT-PCR detects genetic material. Fragments. That's it. How long can you you have a positive RT-PCR test? This study r…
RT @chungk1031: RT-PCR detects genetic material. Fragments. That's it. How long can you you have a positive RT-PCR test? This study r…
RT @chungk1031: RT-PCR detects genetic material. Fragments. That's it. How long can you you have a positive RT-PCR test? This study r…
RT @39Magilla: (1) VIRAL SHEDDING/CONTAGIOUSNESS NEWS: Latest research detected high viral loads in #COVID19 patients at the time of sympt…
医学研究:SARS-CoV-2が伝播するタイミングのモデル化 | Nature Medicine | Nature Research https://t.co/BKjlBYtzH6
RT @chungk1031: RT-PCR detects genetic material. Fragments. That's it. How long can you you have a positive RT-PCR test? This study r…
RT @trishgreenhalgh: 15/ Objection 13: You only need to cover your face if you're coughing and sneezing. Rebuttal 13: Between 23% & 62% of…
@VeritasArdentur Makanya gw tanya lo baca riset dimana?, klo riset yg gw baca, viral load itu memuncak pada saat atau sebelum symptoms onset. https://t.co/8IS7fGFEFN https://t.co/74tljEXLrd
RT @chungk1031: RT-PCR detects genetic material. Fragments. That's it. How long can you you have a positive RT-PCR test? This study r…
@OIscariot @TriTexan @phamnuwen2 @elonmusk Quantitatively, most of SARS-CoV-2's spread appears to be in the 2 days before symptoms through the 5 days after symptoms. That's when viral shedding is highest, and also when people are the least isolated. https
RT-PCR detects genetic material. Fragments. That's it. How long can you you have a positive RT-PCR test? This study reported as long as 8 days after resolution of symptoms. https://t.co/rejpWYgeQU
RT @hrkz1985: 非重症COVID-19 94名の解析。感染性は、発症2.3日前から出現し、発症前後でpeakとなり、その後発症7日目までに急速に減少する。感染伝播の44%は発症前に起こる。 https://t.co/sgiMWmEFZJ
RT @trishgreenhalgh: 15/ Objection 13: You only need to cover your face if you're coughing and sneezing. Rebuttal 13: Between 23% & 62% of…
Verschil in asymptomatische (nooit ziek) en presymptomatische (dag later ziek) besmetting.... @rivm @fritsfranssen Temporal dynamics in viral shedding and transmissibility of COVID-19 https://t.co/YpyPl2lcSg
@fysioron @CiroHorn Hier de wetenschappelijke onderbouwing: https://t.co/CQPzhp5c7Q
@parrhizzia @beyerstein @McDeereUSA 1/ What are the extraordinary claims? On the point that viral shedding is mostly in the first week or so, there are a gazillion studies out there. Here's an example from Nature Medicine: https://t.co/sxGM3CjWik
RT @trvrb: Similarly, He et al (https://t.co/WQi8tAnAq1) estimate 44% (95% confidence interval from 25% to 69%) of transmission events occu…
This one suggests infectious ness is highest immediately pre-symptoms (or as they appear) and magnified by close proximity eg at home https://t.co/tTnDD24P7i
RT @trishgreenhalgh: 15/ Objection 13: You only need to cover your face if you're coughing and sneezing. Rebuttal 13: Between 23% & 62% of…
@iamgkadam See figure 2, viral counts are already declining at the onset of symptoms https://t.co/l3MYiDjiXt
RT @JenniferSpicer4: Here's a link to the article in @NatureMedicine https://t.co/5wCLr9ddO5 And a link to our new webpage that hosts the…
RT @trishgreenhalgh: 15/ Objection 13: You only need to cover your face if you're coughing and sneezing. Rebuttal 13: Between 23% & 62% of…
Here's a link to the article in @NatureMedicine https://t.co/5wCLr9ddO5 And a link to our new webpage that hosts the literature summaries from our #EmoryID fellows and visuals from our medical students https://t.co/b9Dp1hhlWm
RT @JandJonge: Interesting study about temporal dynamics in viral shedding and transmissibility of COVID-19. At least 44% of all infections…
Interesting study about temporal dynamics in viral shedding and transmissibility of COVID-19. At least 44% of all infections occur from people without any symptoms. You can be shedding the virus into the environment for up to 5 days before symptoms begin.
RT @klon: Va a ser que los asintomáticos si que infectan a otros con el #COVID19 https://t.co/wfzPdYL640
Va a ser que los asintomáticos si que infectan a otros con el #COVID19 https://t.co/wfzPdYL640
RT @burcutepekule: @DeryaTR_ Bana sorarsaniz viral shedding dusundugumuzden daha uzun sureli (https://t.co/Xn2E5zL8eQ, https://t.co/rvvOXHl…
@DeryaTR_ Bana sorarsaniz viral shedding dusundugumuzden daha uzun sureli (https://t.co/Xn2E5zL8eQ, https://t.co/rvvOXHltSx).
RT @trishgreenhalgh: 15/ Objection 13: You only need to cover your face if you're coughing and sneezing. Rebuttal 13: Between 23% & 62% of…
RT @hrkz1985: 非重症COVID-19 94名の解析。感染性は、発症2.3日前から出現し、発症前後でpeakとなり、その後発症7日目までに急速に減少する。感染伝播の44%は発症前に起こる。 https://t.co/sgiMWmEFZJ
Masks protect others in the critical days when you’re infectious, but show no symptoms. https://t.co/d32W7kXdQo
RT @hrkz1985: 非重症COVID-19 94名の解析。感染性は、発症2.3日前から出現し、発症前後でpeakとなり、その後発症7日目までに急速に減少する。感染伝播の44%は発症前に起こる。 https://t.co/sgiMWmEFZJ
@AnjaCastensson @emanuelkarlsten This has been known since February (Diamond Princess cruise ship), there are peer-reviewed publications , e.g. https://t.co/ggWl6b0tHj
An important thread as Aotearoa moves to level 2. Up to 25% of population may live with chronic health issues that can make infection more serious. If we all cover our faces we protect them
RT @hrkz1985: 非重症COVID-19 94名の解析。感染性は、発症2.3日前から出現し、発症前後でpeakとなり、その後発症7日目までに急速に減少する。感染伝播の44%は発症前に起こる。 https://t.co/sgiMWmEFZJ
RT @hrkz1985: 非重症COVID-19 94名の解析。感染性は、発症2.3日前から出現し、発症前後でpeakとなり、その後発症7日目までに急速に減少する。感染伝播の44%は発症前に起こる。 https://t.co/sgiMWmEFZJ
RT @trishgreenhalgh: 15/ Objection 13: You only need to cover your face if you're coughing and sneezing. Rebuttal 13: Between 23% & 62% of…
@BenHayhurst @AdamJKucharski @leicesterliz Thanks. That thread focused on general population. @VaccineEpi's model suggests weekly swabs reduce transmission from HCW/carers by 25-33% (https://t.co/ghj6H4tQCf). Given shedding for 2-3 days pre symptom onset (
RT @trishgreenhalgh: 15/ Objection 13: You only need to cover your face if you're coughing and sneezing. Rebuttal 13: Between 23% & 62% of…
非重症COVID-19 94名の解析。感染性は、発症2.3日前から出現し、発症前後でpeakとなり、その後発症7日目までに急速に減少する。感染伝播の44%は発症前に起こる。 https://t.co/sgiMWmEFZJ
RT @WaVerbrugghe: Beste @Bart_DeWever, interessante quote weeral, maar wat is Uw definitie van een 'gezond persoon' ? De hoogste virale loa…
RT @GaviSeth: Slowly, we are seeing more data on disease transmission from COVID-19 asymptomatic patients. In this study, authors suggest…
RT @WaVerbrugghe: Beste @Bart_DeWever, interessante quote weeral, maar wat is Uw definitie van een 'gezond persoon' ? De hoogste virale loa…
@mzw_neo @cowblue_z4 @Omochi_661009 @y_banri そしてもう一つがこれですね We observed the highest viral load in throat swabs at the time of symptom onset, and inferred that infectiousness peaked on or before symptom onset https://t.co/dSuFS3N0oY 発症時が最も多くのウイルス量を持っているという
RT @DrSamGirgis: Almost half of #SARSCoV2 transmission occurs before symptoms are present... #COVID19 READ: "Temporal dynamics in viral she…
Beste @Bart_DeWever, interessante quote weeral, maar wat is Uw definitie van een 'gezond persoon' ? De hoogste virale load is aanwezig net voor of bij het optreden van symptomen. 44% van de besmettingen gebeuren voor symptomen optreden https://t.co/E3pPWU5
RT @davey_burke: Why SARS-CoV-2 is tricky to contain: Infectiousness profiles inferred from case data & measured (RT-PCR tests). Viral shed…
The science of spread #RespectTheVirus
RT @davey_burke: Why SARS-CoV-2 is tricky to contain: Infectiousness profiles inferred from case data & measured (RT-PCR tests). Viral shed…
RT @davey_burke: Why SARS-CoV-2 is tricky to contain: Infectiousness profiles inferred from case data & measured (RT-PCR tests). Viral shed…
Temporal dynamics in viral shedding and transmissibility of COVID-19 | Nature Medicine https://t.co/6zsotppkJl
RT @davey_burke: Why SARS-CoV-2 is tricky to contain: Infectiousness profiles inferred from case data & measured (RT-PCR tests). Viral shed…
RT @davey_burke: Why SARS-CoV-2 is tricky to contain: Infectiousness profiles inferred from case data & measured (RT-PCR tests). Viral shed…
Why SARS-CoV-2 is tricky to contain: Infectiousness profiles inferred from case data & measured (RT-PCR tests). Viral shedding begins ~3 days before appearance of first symptoms. 44% of secondary cases infected during the index cases’ presymptomatic st
No good news for our ways of contact tracing and controlling transmission of #covid19 if true in practice... Asymptomatic just before symptoms highest transmission and load...? Temporal Dynamics in Viral Shedding and Transmissibility of COVID-19 - PubMed
@halvorz Why? Even memory responses take some time to mount. And shedding occurs in presymptomatic people. https://t.co/9aVB0NLbRM
@GCunningham1979 @RussInCheshire If you read the original briefing paper from this study, you get the full story https://t.co/xLdCmaUi1z
@huck68finn @octoberride @IngrahamAngle 1st, some symptomatic ppl don't stay at home. 2nd, Learn the science: infectiousness peaks BEFORE the onset of symptoms. And read actual case studies on how asymptomatic/presymptomatic ppl infected others. https://t.
✅ Dank!
RT @sato_karada: 【コロナの感染力について】 Nature Medicineという雑誌に投稿された論文です。 ・発症2-3日前から直後が一番感染力強い ・感染後7日を過ぎると感染力は非常に弱くなる https://t.co/rrxyBGMi0H
RT @masanaga0319: https://t.co/Qv38ZzKzlz ・COVID-19は症状発症0-2日前に感染力のピークがある。 ・約半数が自分の発症前に誰かに感染させている。 ・症状発症8日後には感染力が大幅に低下する。 ・濃厚接触者の定義を症状出現後の接…
RT @masanaga0319: https://t.co/Qv38ZzKzlz ・COVID-19は症状発症0-2日前に感染力のピークがある。 ・約半数が自分の発症前に誰かに感染させている。 ・症状発症8日後には感染力が大幅に低下する。 ・濃厚接触者の定義を症状出現後の接…
COVID-19のウイルス排出および伝染性における時間的ダイナミクス 94人の患者におけるウイルス排出の時間的パターンを報告 https://t.co/6PhH5dv5ge
Scary stuff but relevant for contact tracing; 44% of secondary COVID-19 infections occur before the index case is symptomatic! https://t.co/EGMKJDku63