Michaeleen Doucleff
Stories
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Rare monkeypox outbreak in U.K., Europe and U.S.: What is it and should we worry?
The cases point to possible sexual transmission of this cousin of smallpox — a previously unknown method of spread for monkeypox.
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How Covid vaccines have boosted the development of an HIV vaccine
During the pandemic scientists launched a vaccine in record-breaking time. Their successful use of mRNA technology could lead to progress in the decades-long effort for an HIV inoculation.
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All Things Considered
What's up with the new omicron variants
ENTER TEASER
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A 4-year-old can run errands alone ... and not just on reality TV
A Japanese TV show now on Netflix, 'Old Enough!,' has sparked much debate about the wisdom of allowing very young kids to be very independent. Risky? Beneficial? Child development experts weigh in.
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Two new omicron variants are spreading in N.Y. and elsewhere. Here's what we know
The variants — BA.2.12.1 and BA2.12.2 — have been detected in New York and other states as well as 5 other countries. One has a mutation that seems to give it an edge in evading the immune system.
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When 2 coronavirus variants meet inside 1 person, a Frankenstein hybrid can be born
That's how the so-called "deltacron" variant — a mashup of delta and omicron — came to be. This process of recombining tells us a lot about the possible past and future of SARS-CoV-2.
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Who might benefit from a 4th shot — and who might not
Some countries are moving ahead with plans to offer a fourth dose of COVID-19 vaccine. But studies are raising questions about the potential advantages of this extra booster.
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A geeky quiz says what kind of immune cell you are. Bonus: See our immune cell primer
Answer a few questions and find out what kind of immune cell you'd be – and learn more about these amazing cells that fight off infection.
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Take a look at SARS-CoV-2's family tree. It's full of surprises
The family history of SARS-CoV-2 is not what virologists expected — and sheds light on the virus that launched a pandemic. Check out our illustration of the virus' family tree.
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A second version of omicron is spreading. Here's why scientists are on alert
It's a sibling of the first omicron variant that swept the world. Is it more contagious? Does it cause severe disease? Will it keep current omicron surges going? Researchers are looking for answers.