Regression of Lung Cancer in Mice by Intranasal Administration of SARS-CoV-2 Spike S1

Intranasal administration of recombinant SARS-CoV-2 spike S1 causes regression of lung tumor in NNK-insulted female A/J mice. The experimental design is illustrated for NNK-induced lung cancer in A/J mice . Briefly, female A/J mice received two intraperitoneal injections of NNK one week apart. Tumor development was analyzed after 26 weeks of NNK intoxication.

© 2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (

physorg_com Lol, so now people will want to catch it? What will be interesting is when people who are vaccinated say “at least the vaccine didn’t work so that I can still catch Covid for its health benefits”!!

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