CNBC's Jim Cramer argued Monday that inventory market quick sellers are unwisely doubting the flexibility of scientists to gradual the unfold of the brand new coronavirus.

"This can be a day the place you say, if I am quick I am betting in opposition to science, not betting in opposition to the lackadaisical angle of many individuals within the nation, " Cramer mentioned on "Squawk on the Avenue."

Quick sellers take positions on the hope that the market will drop.

Cramer's feedback got here shortly after Johnson & Johnson introduced plans to begin human trials on an experimental COVID-19 vaccine by September, sooner than the pharmaceutical big had beforehand said. The corporate additionally mentioned the vaccine could possibly be accessible for emergency use authorization in early 2021.

"I feel that there's a sense till right this moment that ... this factor is right here to remain. And the concept that something will ever be again to regular is simply fanciful," Cramer mentioned. "If you begin listening to about vaccines and also you begin figuring out in regards to the firms which can be concerned, you begin...