It would seem so.
Smokers Hospitalized Less Often for Covid-19
In October 2021, an article from Genetic Literacy Project published this article, Smokers are less likely to get COVID: French researchers explore whether nicotine might prevent transmission.
So, smoke 'em if you got 'em!
Smokers are mostly immune because they inject loads of niacin in the form of nicotinic acid. Niacin helps prevent viral infections. FYI, all nicotinic acid in drugs and supplements comes from, you guessed it, tobacco. Why is there a war on tobacco?