Author: Houssein H Ayoub; Hiam Chemaitelly; Ghina R Mumtaz; Shaheen Seedat; Susanne F Awad; Monia Makhoul; Laith J Abu-Raddad
Title: Characterizing key attributes of the epidemiology of COVID-19 in China: Model-based estimations Document date: 2020_4_11
ID: 7styuuzo_26
Snippet: Remarkably, the observed attack rate pattern for COVID-19 by age ( Figure 1C ) is the inverse (or better complement) of the age-specific cumulative incidence pattern of the 2009 influenza A (H1N1) pandemic (H1N1pdm) infection ( Figure S3 of SI) [24] . This may suggest that a potential protective factor against COVID-19 acquisition (or rapid clearance) at young age could be prior recent exposure (cross immunity) to other viruses, particularly othe.....
Document: Remarkably, the observed attack rate pattern for COVID-19 by age ( Figure 1C ) is the inverse (or better complement) of the age-specific cumulative incidence pattern of the 2009 influenza A (H1N1) pandemic (H1N1pdm) infection ( Figure S3 of SI) [24] . This may suggest that a potential protective factor against COVID-19 acquisition (or rapid clearance) at young age could be prior recent exposure (cross immunity) to other viruses, particularly other cold coronaviruses [25] . An alternative hypothesis has suggested immune imprinting to a similar virus among adults [22] .
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