Michaeleen Doucleff appears in the following:
Tuesday, May 24, 2022
Although monkeypox's recent spread has caused concern, its similarities to smallpox have given the public health world a head start on combating it.
Wednesday, May 18, 2022
The cases point to possible sexual transmission of this cousin of smallpox — a previously unknown method of spread for monkeypox.
Thursday, May 12, 2022
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.
Monday, May 09, 2022
The COVID-19 pandemic is having a surprising silver lining — it's breathing new life into the fight against HIV by accelerating the development of a new type of HIV vaccine.
Wednesday, May 04, 2022
New versions of omicron are circulating in the United States and South Africa. Two new studies shed light on the potential for future surges — and the risk factor if you've already had omicron.
Wednesday, April 20, 2022
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.
Thursday, April 14, 2022
The variants — BA.2.12 and BA.2.12.1 — 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.
Thursday, April 07, 2022
My 6-year-old has been exposed to SARS-CoV-2 at least four times and never tested positive. Many people fall into that category. Researchers have theories about why they've been able to ward it off.
Wednesday, March 23, 2022
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.
Tuesday, March 22, 2022
A new coronavirus variant is a bit like Frankenstein, with the head of omicron and the body of delta. Scientists are eager to learn more about the origins of hybrid variants like "deltacron."
Thursday, March 03, 2022
Two studies point to a link between the animals at the seafood market and the spread of SARS-CoV-2 — foreshadowed by photos from 2014 of raccoon dogs and birds. A top virus sleuth gives the details.
Monday, February 28, 2022
Scientists have solid, physical evidence indicating the COVID pandemic began at a seafood market in Wuhan, China. Data suggest the virus jumped from an animal at the market into people at least twice.
Tuesday, February 22, 2022
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.
Monday, February 21, 2022
Scientists now know that the potency of the booster shot wanes quickly after about three months. We look at the latest research on a fourth shot.
Tuesday, February 15, 2022
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.
Wednesday, February 09, 2022
The family history of SARS-CoV-2 is not what virologists expected — and it sheds light on the coronavirus that launched a pandemic. Check out our illustration of the virus's family tree.
Monday, February 07, 2022
Scientists are beginning to come up with answers to the question of how long antibodies from an infection can protect you — and what they'll protect you from.
Thursday, January 27, 2022
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.
Thursday, January 27, 2022
Another version of omicron is spreading in Asia and parts of Europe. And it shows signs that it could be slightly more contagious than omicron. Where did this new variant come from?
Wednesday, January 19, 2022
Researchers in the U.K. have the first estimates for how long a third shot of the Pfizer vaccine will last. The findings are mixed.