PMC:7784787 / 14209-14541 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T123","span":{"begin":0,"end":75},"obj":"Sentence"},{"id":"T124","span":{"begin":76,"end":239},"obj":"Sentence"},{"id":"T125","span":{"begin":240,"end":332},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"It is also unknown how different leakage patterns could affect infectivity. Even the worst performing single-layer mask served to slow down the flow from the mouth, which would reduce the spread of particles even if they were not captured. The fate of leakage jets directed to the side, or upward, would depend on the local airflow."}