Former New Jersey Gov. Chris Christie on Thursday urged Republicans "to face the realities of the 2020 election and learn, not hide from them," as he lobbed several thinly veiled criticisms at his one-time ally, former President Donald Trump. from CNN.com - RSS Channel - App International Edition https://ift.tt/3tHdOmJ
Since the start of the pandemic, scientists have been seeking to better understand immunity to the novel coronavirus. How long is a person immune after having Covid-19, after getting vaccinated, or both? And what could long-lasting immunity mean for booster shots?
from CNN.com - RSS Channel - App International Edition https://ift.tt/3uuAB3J
from CNN.com - RSS Channel - App International Edition https://ift.tt/3uuAB3J
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