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"In May alone we will be able to ramp up production of this antibody test to the high upper-digit millions, and we will further increase capacity for the coming months," Schwan said.
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The Swiss company's antibody test is not the first to received FDA Emergency Use Authorization, but it appears to be the most effective compared to its competitors from Cellex and Premier Biotech. Roche's test has a sensitivity of 100 percent and a specificity of 99.8 percent.
Antibody testing can also help researchers learn whether patients can be reinfected with the novel coronavirus.
"There's a high likelihood after the infection of this coronavirus that you will acquire immunity, but this still needs to be proven by the studies where you follow patients who have been infected," Schwan said. "One of the benefits of this antibody test is that you can follow up such patients over time and see whether they get reinfected or not, but there's a good chance, like with other coronaviruses, that you get immune after you have been infected."