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9 Μαρ 2021 · a Daily number of new SARS-CoV-2 infected individuals by date of symptom onset by source of infection. For asymptomatic individuals we used date of the first RT-PCR positive result.
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4 Ιαν 2021 · In addition to identification and isolation of persons with symptomatic COVID-19, effective control of spread will require reducing the risk of transmission from people with infection who do not have symptoms.
6 Οκτ 2020 · Human transmission has been documented for COVID-19 18 and asymptomatic patients with SARS-CoV-2 infection can also transmit the virus 19, leading to an urgent need to monitor SSEs, which...
9 Οκτ 2020 · A cryo-electron tomography image of SARS-CoV-2 viruses, in gray, with a computer reconstruction of one virus.Sai Li, Tsinghua University School of Life Sciences. He could see thousands of...
30 Μαρ 2022 · Most people infected with SARS-CoV-2 do not develop severe disease, and the infection is likely limited to ciliated and sustentacular cells in the upper conducting airways.
1 Ιουλ 2020 · The infection is known to readily spread from person-to-person. This occurs through liquid droplets by cough, sneeze, hand-to-mouth-to-eye contact and through contaminated hard surfaces. Close human proximity accelerates SARS-CoV-2 spread.
9 Ιουλ 2020 · Current evidence suggests that transmission of SARS-CoV-2 occurs primarily between people through direct, indirect, or close contact with infected people through infected secretions such as saliva and respiratory secretions, or through their respiratory droplets, which are expelled when an infected person coughs, sneezes, talks or sings.
