According to the New York Blood Center analysis, the vaccines create enough antibodies to fight the disease Published March 17, 2021 • Updated on March 17, 2021 at 12:43 pm NBC Universal, Inc. What to Know All three of the FDA-approved vaccines against COVID-19 show efficacy against the mutated strains of the virus, according to an analysis by the New York Blood Center (NYBC) published in Science Magazine. NYBC found that the Pfizer, Johnson & Johnson, and Moderna vaccines create enough antibodies to fight the virus variants, according to the article “Vaccine efficacy probable against COVID-19 variants” by Dr. Christopher D. Hillyer and Dr. Larry Luchsinger. However, according to the published analysis, the efficacy of vaccines need to be reexamined as new strains emerge.