1 vaccine dose may be enough for COVID-19 survivors, studies suggest

Coronavirus
A nurse administers a COVID-19 vaccination during a vaccination clinic on April 8, 2021 in Santa Clara. (Justin Sullivan/Getty Images)

A nurse administers a COVID-19 vaccination during a vaccination clinic on April 8, 2021 in Santa Clara. (Justin Sullivan/Getty Images)

For people who have bared their arms for a two-dose COVID-19 vaccine, the message from public health officials has been clear: Get the second shot if you want full protection.

But an emerging body of evidence suggests that there may be an exception to that rule. If you’ve already battled a coronavirus infection,it’s possible that one dose may suffice.

“This has been rumored for a long time, that people with preexisting disease only need a single dose to get really long-lasting immunity,” said Dr. George Rutherford, an infectious disease epidemiologist at UC San Francisco.

Both the Pfizer-BioNTech and Moderna vaccines require two doses given a few weeks apart. The first dose essentially primes the immune system to recognize and attack the virus’s telltale spike protein, while the second one prompts the immune system to produce a flood of antibodies.

Read the full story on LATimes.com.

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