News 12 is airing a special presentation of "The New Normal: Search for a Cure" following today's announcement from Pfizer that early data signaled its COVID-19 vaccine is 90% effective at preventing the virus.

Doctor Mundeep Kainth, Pediatric Infectious Disease specialist at Cohen Children's Medical Center and Dr. Sharon Nachman, the Chief of the Division of Pediatric Infectious Diseases at Stony Brook Children's Hospital discuss the timing, risks and details on today's possible breakthrough.

MORE: Statement from Pfizer on the vaccine trial.

Dr. Mundeep Kainth, a pediatric infectious disease specialist at Cohen Children's Medical Center, outlines some of the challenges that will arise in administering the vaccine.

"In order to protect someone else, you need to get a vaccine, and that's the whole purpose of herd immunity," says Dr. Mundeep Kainth, a pediatric infectious disease specialist at Cohen Children's Medical Center.

In response to a question from a Facebook viewer, Dr. Mundeep Kainth, a pediatric infectious disease specialist at Cohen Children's Medical Center, discusses potential effects of a COVID-19 vaccine.

Dr. Sharon Nachman, chief of the Division of Pediatric Infectious Diseases at Stony Brook Children's Hospital, gives some insight on COVID-19 vaccine research and children.

Cheddar's Nora Ali discusses the impact news of Pfizer's vaccine had on the markets