It is important to note that the research is based on observational findings and that there were numerous limitations to this study– including how the team relied on contact tracing and self-reported data on symptom onset.
Still, the researchers believe that if their findings are representative of the international community, they could massively impact contact tracing and isolation policies.
More specifically, contact tracing would need to account for pre-symptomatic infectious periods.
To read the study’s complete findings published in the British Medical Journal (BMJ), visit the link here.
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