Commentary At the Munich Security Conference on Feb. 18, Bill Gates was asked to assess where we are at in beating the pandemic. He replied: “Sadly, the virus itself, particularly the variant called Omicron, is a type of vaccine. That is, it creates both B-cell and T-cell immunity.” Maybe Mr. Gates read my Jan. 5 opinion piece, “Omicron May Help End the Pandemic This Winter”? I’m glad he agrees with me that Omicron is like an effective vaccine that is helping end the pandemic. As a veteran vaccine scientist who spearheaded a vaccine project in 2003 against the original SARS, I was quite confident projecting where Omicron would lead the pandemic, given its characteristics after it emerged late last year. But knowing that the world’s most famous influencer looks at it the same way is quite satisfying. But why did Mr. Gates say “sadly”? I have to admit that I …