The second dose of Covid vaccine is needed for complete immunity, infectious disease specialist says

The second dose of Covid-19 vaccine is crucial in creating longer and complete immunity as well as preventing variants of the virus, according to Dr. Paul Offit, director of the Vaccine Education Center at Children’s Hospital of Philadelphia.

“We need to know that this is a two-dose vaccine, period,” Offit told CNBC’s “The News with Shepard Smith.” “The second dose of either the Pfizer or Modern vaccine dramatically increases it and induces the kind of cells that suggest you’ll have longer term memory, meaning the vaccine would last for a few years. I think if we have people who just get one dose of the vaccine, which will give you shorter and less complete immunity, that’s…