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| ('wired.com/story/a-mathematicians-guide-to-how-contagion-spreads/', 30)             | Now we 're here >>>rediscovering the effectiveness of things like masks<<< .                                                                                                                                                                                             |
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| ('wired.com/story/a-new-study-suggests-a-possible-disease-vector-germy-dust/', 23)   | Though the experiments were conducted pre-pandemic , and with an influenza virus , their results now land in the middle of >>>a heated dispute<<< about how the novel coronavirus SARS-CoV-2 is transmitted .                                                            |
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| ('wired.com/story/can-people-without-symptoms-get-tested-for-covid-who-knows/', 24)  | According to the CDC 's own analysis published in July , asymptomatic carriers of the virus are a major driving factor in the spread of Covid-19 , and the reason the agency >>>advised universal face cloth coverings<<< back in April .                                |
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| ('wired.com/story/could-a-janky-jury-rigged-air-purifier-help-fight-covid-19/', 4)   | Researchers who study aerosols and indoor air quality have ( mostly ) ( finally ) convinced the scientific establishment — the World Health Organization , the US Department of Health and Human Services — that Covid-19 transmission has an >>>airborne component<<< . |
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| ('wired.com/story/how-the-coronavirus-got-to-donald-trump/', 11)                     | >>>Scientists increasingly think<<< Covid-19 's main mode of transmission is as aerosols , infinitesimal blebs of virus-containing snot borne aloft on ever-present , gentle air currents .                                                                              |
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| ('wired.com/story/neuroscience-key-people-wear-masks/', 2)                           | Some neuroscientists believe that lessons from their field , applied appropriately , could help break the impasse and persuade more people to follow >>>scientists ' recommendations<<< .                                                                                |
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| ('wired.com/story/rehab-centers-struggle-as-covid-19-drives-up-costs/', 3)           | Facilities are hiring more janitors , stocking up on >>>personal protective equipment<<< , and even setting up on-site PCR testing , which uses a swab from a patient 's respiratory tract to test for an active Covid-19 infection .                                    |
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| ('wired.com/story/scientists-put-masks-to-the-test-with-an-iphone-and-a-laser/', 15) | As cloth masks >>>have become a must-wear accessory<<< in Covid-era America , there remains scant information about how well various designs and materials stop the spread of viral particles .                                                                          |
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