Doctors explain effectiveness of COVID-19 vaccine after nurse performs positive tests days after taking first dose

SAN DIEGO, California – In Southern California, a nurse began showing symptoms of COVID-19 six days after receiving the vaccine, and tested positive two days later.

It happened in the San Diego area.

RELATED: 2 Alaska Health Professionals Remain Raving About the Pfizer Vaccine Even After Allergic Reactions

Experts here in the Bay Area say it takes time for the antibodies to develop in your body.

“As a doctor I have no problem putting needles in people, I don’t really like having needles put in me,” says Dr. Amy Herold, the Chief Medical Officer of Napa’s Queen of the Valley Medical Center.

She took the coronavirus vaccine like thousands of others.

VIDEO: Why getting a COVID-19 vaccine doesn’t mean you should stop wearing a mask

Regarding what happened to the nurse in San Diego, “I suspect they were exposed just before they got the vaccine and they didn’t show any symptoms or just after,” says Dr. Herold.

“It’s a sad coincidence that if someone has already been exposed and vaccinated, the vaccine will not work in a few days. I mean, it will work in a few days, but certainly not in less than a week,” says Dr. Yvonne Maldonado of Stanford.

Doctors tell ABC7 News that the first vaccination shot provides 50 percent immunity, starting only one week with the Pfizer vaccine and two weeks with the Moderna vaccine. The second dose then brings the immunity to at least 90 percent.

RELATED: National Nursing Shortage Hits CA, Bay Area Hospitals

While neither is 100 percent, Dr. Herold says there is optimism in her hospital and she couldn’t help but smile when she got the vaccine.

“Under my mask, I have the biggest grin I finally get,” she says, “because it feels like hope now and for all of us who are taking care of COVID patients and going to the limit right now. Have something to look forward to. and to hope is something very powerful. “

If you have a question or comment about the coronavirus pandemic, please ask using the form below or here.

Read the latest news, information and videos about the new coronavirus pandemic here

RELATED STORIES & VIDEOS:

Copyright © 2020 KGO-TV. All rights reserved.

.Source