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Topic: The Covid Virus Keeps Evolving. Why Haven't Vaccines? (Read 38 times) previous topic - next topic

The Covid Virus Keeps Evolving. Why Haven't Vaccines?

The Covid Virus Keeps Evolving. Why Haven't Vaccines?

[html]Updating the shots to adapt to rapidly changing variants is easier said than done, even with new mRNA technology.[/html]

Source: The Covid Virus Keeps Evolving. Why Haven't Vaccines? (http://ht**://www.wired.c**/story/the-covid-virus-keeps-evolving-why-havent-vaccines/)