Australian study shows children develop COVID-19 immune responses without testing positive – Xinhua | English.news.cn – Xinhua

SYDNEY, Nov. 19 (Xinhua) — Children could mount a COVID-19 immune response to fight off infection after being exposed to the virus through infected parents, a new Australian case study has found.
The research, led by the Murdoch Children’s Research Institute (MCRI), revealed that despite close contact with symptomatic infected parents, all three primary school-aged kids in a Melbourne family developed mild or no symptoms and repeatedly tested negative for COVID-19 using the polymerase chain reaction…

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