The potential global risk of monkeypox importation anzicrc monkeypox virus airline flying travel
By Neha MathurSep 21 2022Reviewed by Danielle Ellis, B.Sc. In a recent study posted to the medRxiv* server, a team of researchers hypothesized various scenarios of travel restrictions to estimate the potential global risk of monkeypox virus importation.
As of September 4, 2022, the United States , Brazil, the UK, Spain, and France have the highest aggregate number of MPXV cases. Although it is not a sexually-transmitted disease, it has uniquely spread in these countries via men who have sex with men . Now that airline travel is returning to pre-coronavirus disease 2019 levels, International Air Transport Association expects air passenger volume to be 69% more than in 2019.
The researchers estimated passenger volume on an airplane based on the maximum number of seats in that plane. Further, they used the airline network to determine effective distance, i.e., the minimum distance among all possible paths accounting for the PV-weighted path length and the degree of each node corresponding to one airport.
For studying travel restrictions, the researchers selected those scenarios which reduced the passenger volume from/to countries with detected MPXV cases. Likewise, they focused on those scenarios that increased or decreased the global passenger volume relative to high and low volumes observed in 2019 and 2021, respectively, irrespective of MPXV cases.
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