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Are the covid variant symptoms different

are the covid variant symptoms different
PARAGRAPHChan, a public health researcher and physician at Massachusetts General Hospital and one of the lead investigators of the Covid Symptom Study, has been tracking millions of people from Britain, the United States and Sweden via an app that asks participants to monitor their symptoms. A preprint using data from the study that has not yet been published in a peer-reviewed journal suggests that those who are vaccinated are well protected against delta.
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