Italy-Coronavirus/Origin/Blood Samples

COVID-19 antibodies found in renewed tests of Italian blood samples: scientists

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Shotlist


Italy - July 20, 2021 (CCTV - No access Chinese mainland)
1. Screenshots of report of Financial Times

FILE: Rome, Italy - June 16, 2021 (CCTV - No access Chinese mainland)
2. Pedestrians passing by COVID-19 vaccination site
3. Various of people waiting in line for getting vaccinated; worker at entrance of vaccination site
4. Pedestrians passing by COVID-19 vaccination site
5. Poster showing (in Italian) "COVID-19 Vaccination"
6. Various of pharmacy sign; woman entering pharmacy
7. Various of pedestrians crossing street

FILE: Rome, Italy - May 26, 2021 (CCTV - No access Chines mainland)
8. Various of passengers at bus stop; trolleybus
9. Victor Emmanuel II Monument; pedestrian, cyclist
10. Various of pedestrians

FILE: Codogno, Italy - Date Unknown (CGTN - No access Chinese mainland)
11. Medical workers at hospital
12. Nurse walking in hospital hallway
13. Various of patients in intensive care unit
14. Monitors

Storyline


COVID-19 antibodies were found in renewed tests of blood samples collected in Italy as early as October 2019, according to European scientists.

Cancer researchers at the National Cancer Institute of Milan reported in a paper published on Monday that retesting of some pre-pandemic blood samples at two European labs had showed the presence of antibodies associated with the novel coronavirus.

Italian researchers had screened 959 volunteers for lung cancer before the pandemic, and last year they retested those samples looking for coronavirus-linked antibodies. They said that they had found traces of COVID-19 in some samples.

At the request of the World Health Organization (WHO), those samples were retested by the VisMederi laboratory in Siena, Italy, and to a facility at Erasmus University in the Netherlands, affiliated with the WHO.

Three samples from the new tests were found by the two labs to have positive readings for the COVID-19-linked antibody IgM, according to the the Financial Times (FT). The earliest was collected on October 10, 2019. Another sample collected on February 5, 2020 was also positive for so-called neutralising antibodies.

"The results of this retesting suggest that what we previously reported in asymptomatic patients is a plausible signal of early circulation of the virus in Italy,” Giovanni Apolone, one of the researchers, told the FT.

"If this is confirmed, this would explain the explosion of symptomatic cases observed in Italy. SARS-CoV-2, or an earlier version, circulated silently, under the surface," he said.

Researchers from the Netherlands-based lab, however, said none of the samples contained "high enough levels of each of the three types of antibodies" - IgM, neutralising antibodies and a third antibody known as IgG, that Erasmus requires to be considered proof of infection.

The virus may have been "less aggressive or contagious" in the pre-pandemic period, a researcher told the FT, adding that this made it "necessary to use highly sensitive tests despite the risk of finding 'false positive' cases".

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  • Dateline : July 20, 2021/File
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Italy-Coronavirus/Origin/Blood Samples

COVID-19 antibodies found in renewed tests of Italian blood samples: scientists

Dateline : July 20, 2021/File

Location : Italy

Duration : 2'20

  • English
  • Français
  • العربية
  • Pусский
  • Español


Italy - July 20, 2021 (CCTV - No access Chinese mainland)
1. Screenshots of report of Financial Times

FILE: Rome, Italy - June 16, 2021 (CCTV - No access Chinese mainland)
2. Pedestrians passing by COVID-19 vaccination site
3. Various of people waiting in line for getting vaccinated; worker at entrance of vaccination site
4. Pedestrians passing by COVID-19 vaccination site
5. Poster showing (in Italian) "COVID-19 Vaccination"
6. Various of pharmacy sign; woman entering pharmacy
7. Various of pedestrians crossing street

FILE: Rome, Italy - May 26, 2021 (CCTV - No access Chines mainland)
8. Various of passengers at bus stop; trolleybus
9. Victor Emmanuel II Monument; pedestrian, cyclist
10. Various of pedestrians

FILE: Codogno, Italy - Date Unknown (CGTN - No access Chinese mainland)
11. Medical workers at hospital
12. Nurse walking in hospital hallway
13. Various of patients in intensive care unit
14. Monitors


COVID-19 antibodies were found in renewed tests of blood samples collected in Italy as early as October 2019, according to European scientists.

Cancer researchers at the National Cancer Institute of Milan reported in a paper published on Monday that retesting of some pre-pandemic blood samples at two European labs had showed the presence of antibodies associated with the novel coronavirus.

Italian researchers had screened 959 volunteers for lung cancer before the pandemic, and last year they retested those samples looking for coronavirus-linked antibodies. They said that they had found traces of COVID-19 in some samples.

At the request of the World Health Organization (WHO), those samples were retested by the VisMederi laboratory in Siena, Italy, and to a facility at Erasmus University in the Netherlands, affiliated with the WHO.

Three samples from the new tests were found by the two labs to have positive readings for the COVID-19-linked antibody IgM, according to the the Financial Times (FT). The earliest was collected on October 10, 2019. Another sample collected on February 5, 2020 was also positive for so-called neutralising antibodies.

"The results of this retesting suggest that what we previously reported in asymptomatic patients is a plausible signal of early circulation of the virus in Italy,” Giovanni Apolone, one of the researchers, told the FT.

"If this is confirmed, this would explain the explosion of symptomatic cases observed in Italy. SARS-CoV-2, or an earlier version, circulated silently, under the surface," he said.

Researchers from the Netherlands-based lab, however, said none of the samples contained "high enough levels of each of the three types of antibodies" - IgM, neutralising antibodies and a third antibody known as IgG, that Erasmus requires to be considered proof of infection.

The virus may have been "less aggressive or contagious" in the pre-pandemic period, a researcher told the FT, adding that this made it "necessary to use highly sensitive tests despite the risk of finding 'false positive' cases".

ID : 8212844

Published : 2021-07-22 10:39

Last Modified : 2021-07-22 18:35:54

Source : China Central Television (CCTV)

Restrictions : No access Chinese mainland

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