from CNN.com - RSS Channel - HP Hero https://www.cnn.com/2022/05/20/health/mrna-vaccine-technology-covid-19-durability/index.html
via https://www.cnn.com/index.html
Friday 20 May 2022
The quest for longer-lasting Covid vaccines
As waves of new coronavirus variants circulate the globe, one thing has become clear: human immunity against the virus fades over time.
from CNN.com - RSS Channel - HP Hero https://www.cnn.com/2022/05/20/health/mrna-vaccine-technology-covid-19-durability/index.html
via https://www.cnn.com/index.html
from CNN.com - RSS Channel - HP Hero https://www.cnn.com/2022/05/20/health/mrna-vaccine-technology-covid-19-durability/index.html
via https://www.cnn.com/index.html
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