We won’t know whether Omicron evades COVID vaccines for another few weeks. Here’s why.
The omicron variant possesses numerous mutations in the spike protein, the knob-like protrusions (in red) that allow the virus to invade other cells.
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It’s too early to say whether the newly identified omicron variant is going to overtake delta. But particular mutations in the new strain have researchers deeply concerned.
There’s not enough evidence yet to support the AstraZeneca CEO’s statement. But it is theoretically plausible.
Vaccines, including those given for childhood diseases, rarely draw out a perfect response after only one dose.
Booster shots are a common necessity for vaccines to keep working. Recent research shows COVID-19 booster shots are recommended for high-risk individuals — and may benefit the rest of us too.
All COVID-19 tests start with a sample, but the scientific process goes very differently after that.
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The two types of COVID-19 tests – antigen and PCR – work in very different ways, which is why one is fast but less accurate and the other is slow and precise.
Many vaccine formulations are tweaked for patients of different ages.
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First CDC signed off on a COVID-19 vaccine for adults, then teens. Now US children ages 5 to 11 are officially eligible for shots. Here’s the science on why each group needs to be considered separately.
For many parents, the long-awaited COVID-19 vaccine authorization for younger kids can’t come soon enough.
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Pediatric clinical trials for the COVID-19 Pfizer vaccine for children ages 5 to 11 have shown that the Pfizer shot is safe and effective.
There is immense interest in understanding whether potentially protective SARS-CoV-2 antibodies are provided to the baby via breast milk. This is what we know so far.
Pregnancy poses significant risks for severe illness or death from COVID-19, for both mother and baby.
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In light of mounting research showing the serious risks of contracting COVID-19 during pregnancy, the CDC is re-upping its urgency that pregnant women get their shots.
But the immune cells that vaccination spurs do last a long time.
Public health officials have been waiting for good data before making any decisions about booster shots for people who received Johnson & Johnson’s Janssen COVID-19 vaccine.
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Your body produces antibodies after an infection or vaccine, but these slowly decline over time. New Johnson & Johnson data sheds light on the duration of protection and the need for booster shots.
New discovery could help scientists develop more targeted drugs and vaccines.
People getting vaccinated may still have questions about COVID-19 vaccines, like why it takes two doses — and then two weeks — to take full effect.
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A medical student answers questions he gets asked at a COVID-19 vaccine clinic: Efficacy versus real-world effectiveness, immune response and how the mRNA vaccines compare to vaccines already in wide use.
By better communicating how vaccines boost the immune system’s long term “memory”, manufacturers could address vaccine hesitancy.
Cell-mediated immunity is particularly effective at eradicating viruses, and more durable. This is important in the fight against COVID-19.
A little more than 8% of vaccinated people in the U.S. have received the Johnson & Johnson vaccine.
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It has been six months since the Johnson & Johnson vaccine received emergency use authorization. What does six months of data show about its efficacy, side effects and protection from variants?
Despite rampant misinformation, studies show that COVID-19 vaccines are safe for both the mom and baby.
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A COVID-19 vaccine does not cause infertility – but it can protect you from the dangerous complications of contracting the virus.
A French study found a four to sixfold reduction in neutralisation against the delta variant compared with the alpha (Kent) variant.
The freedom of going mask-free is still a ways off for kids under age 12.
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As many teens and adults in the US restart their social lives, parents of children under the age of 12 wonder when their kids will also be able to experience the freedom that comes with vaccination.
Can you really fake a covid test with soft drinks?
There’s a way for parents to spot the fraud.
The latest advice is to offer COVID-19 vaccines to women at any stage of pregnancy to protect them from a higher risk of severe disease – and to give their babies an early boost of antibodies.