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Los Angeles Times
Los Angeles Times
National
Luke Money and Rong-Gong Lin II

CDC has approved spring COVID booster for some. Do you need it?

Another COVID-19 booster shot is on the way as federal health officials look to further augment protection for those at greater risk of developing severe disease.

The U.S. Centers for Disease Control and Prevention this week recommended the allowance of an additional updated booster for seniors 65 and older as well as those who are immunocompromised. The updated booster was first introduced last September.

This new phase of the years-old vaccination campaign has been hotly anticipated in some circles — particularly given that shot-induced protection wanes over time and many higher-risk individuals are months removed from their last dose.

However, the next chapter also arrives as the pandemic has stabilized. As the Los Angeles County Department of Public Health noted recently, “Although transmission is still occurring, there is low concern for rapid spread of the virus.”

But COVID-19 remains a force to be reckoned with, even though the darker days of overwhelmed hospitals and overflowing morgues appear to be over. More than 72,000 people in the U.S. have died from COVID-19 since early October — nearly four times the estimated death toll from flu over the same time period.

“COVID-19 continues to be a very real risk for many people, and we encourage individuals to consider staying current with vaccination, including with a bivalent COVID-19 vaccine,” U.S. Food and Drug Administration vaccine chief Dr. Peter Marks said in a statement.

Here’s what you need to know:

Who can get another booster?

Those who are at least 65 years old can get another dose, according to the CDC.

Immunocompromised individuals are eligible too.

“This allows more flexibility for healthcare providers to administer additional doses to immunocompromised patients as needed,” the CDC said.

Should older people get it?

The CDC said it is recommending allowing the additional updated booster shot, which will “allow more flexibility for people at higher risk who want the option of added protection from additional COVID-19 doses.” In other words, seniors and immunocompromised people who are eager for the additional booster are free to get it, but the CDC is not necessarily urging those groups to get the shot with the same urgency as it did last autumn..

Some experts suggest older patients get the additional booster.

Dr. Peter Chin-Hong, a UC San Francisco infectious diseases expert, said, “The older you are, the more important it is.”

“The bottom line is I would advise them to get it if you’re older than 65,” he said. “We know that antibodies wane at the three- to four-month mark [after a shot], and they wane the most in those who are older than 65.”

What about everyone else?

Aside from the above groups, most people who have already gotten the updated bivalent booster are not eligible for another dose. However, those who haven’t are free to roll up their sleeves.

The CDC recommended that everyone 6 and older get the updated COVID-19 shot — regardless of whether they had completed their primary vaccination series. That means if you haven’t gotten a COVID-19 booster since September, or if you are unvaccinated, the CDC is recommending you get the updated vaccination now.

“For young children, multiple doses will continue to be recommended and vary by age, vaccine and which vaccines were previously received,” the CDC said.

Wednesday’s action means that people who are getting vaccinated for the first time need only one shot of the updated Pfizer-BioNTech or Moderna doses to be considered up-to-date on their COVID-19 vaccinations. Officials said they are ending the original two-dose monovalent regimens, which are now considered outdated. The monovalent regimens — or the original versions of the vaccine formula — were designed against the ancestral version of the coronavirus.

On Tuesday, the FDA authorized the following updated vaccine regimens for children younger than 6:

Unvaccinated children 6 months to 5 years can get a two-dose series of the Moderna bivalent vaccine, or, for children 6 months through 4 years, three doses of the offering from Pfizer-BioNTech. Children who are 5 can get two doses of Moderna or one Pfizer-BioNTech shot.

Children up to 5 who have been fully or partially vaccinated also can get a bivalent booster, “but the number of doses that they receive will depend on the vaccine and their vaccination history,” according to the FDA.

How can I get a booster?

Eligible Californians will be able to schedule an appointment either directly through their healthcare provider or by using the state’s online platform: MyTurn.ca.gov.

Is there any cost?

Vaccines remain free even after recent moves to lift COVID-19 emergency declarations at both the state and federal levels.

Why should I get a booster?

Many health officials and experts say those who get the bivalent booster shot are better protected against hospitalization and death, with the benefit particularly pronounced among older individuals.

“Available data continue to demonstrate that vaccines prevent the most serious outcomes of COVID-19, which are severe illness, hospitalization and death,” Marks said.

COVID-19 has remained the leading infectious cause of death in L.A. County, and can be especially dangerous for older people who aren’t up-to-date on their vaccinations and boosters, even if they’ve been previously infected and recovered. For the most recent weekly period available, 59 COVID-19 deaths were reported countywide.

According to a recent analysis, among seniors age 65 to 79 in L.A. County, those who got the updated booster had one-tenth the risk of being hospitalized compared with those who are unvaccinated, and roughly half the risk of being hospitalized compared with those who are vaccinated but haven’t received the bivalent booster.

Among this age group, those who got the updated booster were about one-tenth as likely to die from COVID-19 compared with unvaccinated people — and roughly half as likely to die compared with vaccinated people who hadn’t received the updated booster.

While no single health intervention provides absolute protection against infection, experts say getting vaccinated provides some benefit in that regard. That could prove useful given the emergence of another coronavirus omicron subvariant, XBB.1.16, which some experts say could plausibly lead to another bump in cases in the coming months. There are anecdotes from India suggesting this particular strain is behind a number of reports of “COVID eye” — also known as pink eye or conjunctivitis — especially among children.

Still, the latest subvariant has not been associated with increased risk of severe illness.

What is a bivalent vaccine?

The bivalent shots are updated versions of the original COVID-19 vaccine shots that first became widely available in September.

Regardless of the brand, the bivalent booster is formulated to protect against the hyper-infectious family of omicron coronavirus subvariants that have dominated the nation for more than a year.

They were designed with BA.4 and BA.5 in mind, as those sibling subvariants rose to prominence last spring and summer. But officials say they continue to work well against strains that have subsequently emerged, such as XBB and XBB.1.5.

The original formulations of both the Pfizer-BioNTech and Moderna vaccines were designed against only the ancestral version of the coronavirus, rather than the heavily mutated versions in circulation today.

“At this stage of the pandemic, data support simplifying the use of the authorized mRNA bivalent COVID-19 vaccines, and the agency believes that this approach will help encourage future vaccination,” Marks said.

What will demand be like?

Don’t expect anything like the early days of the vaccine rollout — when people braved lengthy lines or hit the road in desperate search for shots.

According to the California Department of Public Health, only about one-fourth of eligible residents have gotten a bivalent booster in the seven months since they became available.

However, that number belies regional disparities that have endured throughout the vaccine campaign. A recent Times data analysis found that as of the end of March, nearly 35% of eligible residents in the San Francisco Bay Area had gotten the bivalent booster, compared with 23% in Southern California and only 16% in the San Joaquin Valley.

Some health officials have also expressed concern with the relatively low uptake among seniors. Statewide, just under 46% of those 65 and older who have been vaccinated have also gotten a bivalent booster. In L.A. County, the share is 42%.

In a recent statement to The Times, officials at the California Department of Public Health said they support federal recommendations “for everyone to receive bivalent boosters, especially those who are more vulnerable to severe COVID-19 due to older age or medical conditions, who remain at increased risk of hospitalization or death if not boosted.”

“The level of acceptance of future vaccine doses remains to be seen,” the statement continued. “CDPH remains concerned that Californians who have not received recommended doses now or in the future will suffer unnecessarily from severe COVID-19 or long COVID.”

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