This could prevent people being given a positive result based on an old infection.
But Prof Heneghan, the academic who spotted a quirk in how deaths were being recorded, which led Public Health England to reform its system, says evidence suggests coronavirus "infectivity appears to decline after about a week".
Coronavirus: Tests 'could be picking up dead virus'
Please explain the use of "being" in both highlighted parts.
Jigneshbharati This could prevent people (from) being given a positive result American usage has 'from' there. The verb 'prevent' takes an -ing form to state what is prevented (with or without 'from' depending on the variety of English). In this example the thing that is prevented can be expressed in the active form The test gives people a positive result.
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JigneshbharatiThis could prevent people (from) being given a positive result
American usage has 'from' there.
The verb 'prevent' takes an -ing form to state what is prevented (with or without 'from' depending on the variety of English). In this example the thing that is prevented can be expressed in the active form
The test gives peop