When you purchase through links on our internet site , we may make an affiliate deputation . Here ’s how it work .

Adults 65 and older and people with weakened immune systems should get two doses of the newly updated COVID-19 vaccine , the Centers for Disease Control and Prevention ( CDC ) recommend .

People in these mathematical group should seek their 2nd dose at least six months after sire their first loony toons , theCDC said Wednesday(Oct . 23 ) . This recommendation also opens the door for people with moderate to severe immunosuppression to get three doses , or even more , the government agency added . Patients can speak with their medical supplier about whether they could gain from receive three or more doses .

A doctor places a bandaids on a patient�s arm after giving them a shot

Health officials are recommending that some groups get more than one updated COVID-19 vaccine dose this year.

" The recommendation acknowledges the increased risk of severe disease fromCOVID-19 in older adults and those who are immunocompromised , " the CDC tell . It also acknowledges that , unlikethe seasonal flu , COVID-19 circulates twelvemonth - round , so certain patients could profit from getting a boost in exemption more than once a year .

" Receiving recommended 2024 - 2025 COVID-19 vaccine can furbish up and enhance security against the virus variate currently creditworthy for most contagion and hospitalizations in the United States , " the CDC said . " COVID-19 vaccination alsoreduces the chance of suffering the essence of Long COVID . "

Related : Virus that causes COVID-19 uses a secret ' back door ' to infect the head

A doctor places a bandaid on a woman�s arm after a shot

Everyone 6 month and older is recommended to get at least one dose of a 2024 - 2025 COVID-19 vaccine . There are three vaccinum uncommitted , made by Pfizer - BioNTech , Moderna , and Novavax . The first two shotsuse mRNA , a genetic corpuscle , as their base , while the Novavax vaccinum curb virus protein and a substance to rev up the immune system .

The CDC does n’t urge one eccentric of vaccinum over another , except to note that Novavax is only approve for people ages 12 and up , while the others can be given to kid as young as 6 months . Young kids may be recommended to get one to three doses of the vaccinum , depending on which brand they get this year and whether they ’ve been immunize for COVID-19 previously . Those detail arespelled out on the CDC site .

The2024 - 2025 vaccines differfrom prior shots in that they ’ve been update to guard against unexampled versions of the coronavirus that have recently emerged . The Pfizer and Moderna shots target a outgrowth of theomicronfamily tree called KP.2 , which began make potency in June . The Novavax shot was designed totarget an earlier variant , called JN.1 , which KP.2 overtook .

Close up of a medical professional holding a syringe drawing vaccine from a vial to prepare for injection.

Since summer , new variants have egress , withone called KP.3.1.1gaining traction in August and remaining on top as of mid - October . Although the virus continues to evolve , laboratory tests suggest that all three 2024 - 2025 vaccine generateantibodiesagainst a wide range of JN.1 descendents , including KP.2 , KP.3 and their close relatives .

— Did pandemic lockdowns stunt kids ' immune system retentive - term ?

— At - home grippe vaccinum sanction by FDA — what to know

A healthcare worker places a bandage on a girls� arm after a vaccine

— COVID pandemic knocked 1.6 years off global life expectancy , study find

The CDC hopes that , by advocate additional STD to high - endangerment radical , people can be well protect from the computer virus year - round .

you could find out more about where to get a COVID-19 vaccineon the CDC website .

an infant receives a vaccine

This clause is for informational intent only and is not meant to offer medical advice .

Ever wonder whysome people build up brawniness more easily than othersorwhy lentigo hail out in the sunshine ? mail us your questions about how the human body works tocommunity@livescience.comwith the open line " Health Desk Q , " and you may see your query answered on the website !

A photo of vials of shingles vaccine

An illustration of particles of the measles virus in red and white against a dark background.

A woman lies in bed looking tired and sick

An illustration of Y shaped antibodies in front of a coronavirus particle, blurred in the background

An older man stands in front of the National Covid Memorial Wall in London in the UK.

A young woman in a surgical mask sit in a doctor�s office as a doctor cleans her arm for a vaccination

an open box of astrazeneca vaccine vials, with one vial pulled out to show the label

box of the antiviral paxlovid on a table next to a sleeve of the pills

A scuba diver descends down a deep ocean reef wall into the abyss.

Remains of the Heroon, a small temple built for the burial cluster of Philip II at the Museum of the Royal Tombs inside the Great Tumulus of Aigai (Aegae)

An artist�s illustration of a satellite crashing back to Earth.

Reconstruction of an early Cretaceous landscape in what is now southern Australia.

A photo of the Large Hadron Collider�s ALICE detector.

An illustration of a satellite crashing into the ocean after an uncontrolled reentry through Earth�s atmosphere