PMC:7253482 / 2035-2386 JSONTXT

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barriers5,6, there is an urgent need for effective countermeasures to combat these pathogens. Ongoing vaccine development efforts focus on the spike (S) proteins that protrude from the viral envelope and constitute the main target of neutralizing antibodies7,8.\nThese trimeric S proteins mediate host-cell entry with the S1 and S2 subunits responsi"}

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barriers5,6, there is an urgent need for effective countermeasures to combat these pathogens. Ongoing vaccine development efforts focus on the spike (S) proteins that protrude from the viral envelope and constitute the main target of neutralizing antibodies7,8.\nThese trimeric S proteins mediate host-cell entry with the S1 and S2 subunits responsi"}

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