A top CDC official signaled that the virus' rapid spread is so severe that it's defeating the value of contact tracers
. The ongoing effort incorporates some of the lessons from early stumbles in the coronavirus response: lean on military logistics experts, proactively engage the industry — and move faster than officials ever thought possible to combat a historic pandemic.
“The January 2021 goal to begin administering a safe and effective vaccine to Americans is ambitious but achievable,” an HHS spokesperson said. “The president has made it abundantly clear that this is the team that can get it done.” “There’s no guarantee that a vaccine is going to work,” said Luciana Borio, who served as the FDA’s acting top scientist and worked on White House pandemic preparedness efforts earlier in the Trump administration. “And even if it does, there’s no guarantee that it’ll be the right product for most people, or that people will want to take it, or that the virus won’t mutate.”
“In time, better vaccines that induce high titers of virus neutralizing antibodies will come along, but this will be an evolving process,” said Peter Hotez, dean of the National School of Tropical Medicine.
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