Biden’s plan to vaccinate the world faces an obstacle: vaccine manufacturers

“Unlike our oral antivirus, which is a small chemical molecule, high-quality vaccines are large biological molecules that require consistent biological production. It is an extraordinarily complex process in some circumstances, and even more so during a pandemic,” Kit Longley, Pfizer’s media spokesman, said to The Post this week, adding that failed manufacturing of vaccines can waste resources and cause gaps in consumer confidence.

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