Virus variants challenge U.S. vaccine efforts



This content originally appeared on Reuters and was authored by Reuters


This content originally appeared on Reuters and was authored by Reuters


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APA

Reuters | Sciencx (2021-02-15T00:48:44+00:00) Virus variants challenge U.S. vaccine efforts. Retrieved from https://www.scien.cx/2021/02/15/virus-variants-challenge-u-s-vaccine-efforts/

MLA
" » Virus variants challenge U.S. vaccine efforts." Reuters | Sciencx - Monday February 15, 2021, https://www.scien.cx/2021/02/15/virus-variants-challenge-u-s-vaccine-efforts/
HARVARD
Reuters | Sciencx Monday February 15, 2021 » Virus variants challenge U.S. vaccine efforts., viewed ,<https://www.scien.cx/2021/02/15/virus-variants-challenge-u-s-vaccine-efforts/>
VANCOUVER
Reuters | Sciencx - » Virus variants challenge U.S. vaccine efforts. [Internet]. [Accessed ]. Available from: https://www.scien.cx/2021/02/15/virus-variants-challenge-u-s-vaccine-efforts/
CHICAGO
" » Virus variants challenge U.S. vaccine efforts." Reuters | Sciencx - Accessed . https://www.scien.cx/2021/02/15/virus-variants-challenge-u-s-vaccine-efforts/
IEEE
" » Virus variants challenge U.S. vaccine efforts." Reuters | Sciencx [Online]. Available: https://www.scien.cx/2021/02/15/virus-variants-challenge-u-s-vaccine-efforts/. [Accessed: ]
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» Virus variants challenge U.S. vaccine efforts | Reuters | Sciencx | https://www.scien.cx/2021/02/15/virus-variants-challenge-u-s-vaccine-efforts/ |

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