Health & Medicine
- Health & Medicine
Here’s what we know about B.1.1.7, the U.S.’s dominant coronavirus strain
Studies show the variant is more contagious and may cause more severe COVID-19 overall. But vaccines still work against B.1.1.7.
- Health & Medicine
People with rare blood clots after a COVID-19 jab share an uncommon immune response
AstraZeneca’s and J&J’s shots are linked to antibodies that spark clots. Knowing that lets doctors ID cases and get patients the right treatment.
- Health & Medicine
The P.1 coronavirus variant is twice as transmissible as earlier strains
The variant first found in Brazil can evade some immunity from previous COVID-19 infections, making reinfections a possibility.
- Health & Medicine
U.S. pauses J&J vaccine rollout after 6 people of 6.8 million get rare blood clots
The COVID-19 vaccine’s pause is out of abundance of caution, experts say. The potentially deadly clots appear to be “extremely rare.”
- Health & Medicine
AstraZeneca’s COVID-19 vaccine is tied to uncommon blood clots in rare cases
Blood clots should be listed as a possible side effect of AstraZeneca’s vaccine, but its benefits still outweigh the risks, experts say.
- Materials Science
Microscopic images reveal the science and beauty of face masks
Important insights into the particle-filtering properties of different fabrics also offer a sense of the unseen, textured world of face masks.
- Health & Medicine
4 takeaways from the WHO’s report on the origins of the coronavirus
The leading hypothesis is that the coronavirus spread to people from bats via a yet-to-be-identified animal, but no animals have tested positive so far.
- Health & Medicine
Pfizer says its COVID-19 vaccine has 100 percent efficacy in young people
Vaccinated 12- to 15-year-olds developed higher levels of coronavirus antibodies compared with vaccinated 16- to 25-year-olds from a previous trial.
- Health & Medicine
Frog skin cells turned themselves into living machines
The “xenobots” can swim, navigate tubes, move particles into piles and even heal themselves after injury, a new study reports.
- Health & Medicine
Moderna and Pfizer COVID-19 vaccines may block infection as well as disease
The mRNA vaccines are about 90 percent effective at blocking coronavirus infection, which could lead to reduced transmission, real-world data suggest.
- Health & Medicine
AstraZeneca’s COVID-19 vaccine holds up in an updated analysis of trial data
The redo dropped the overall efficacy of AstraZeneca’s vaccine from 79 percent to 76 percent. But a slight fluctuation is not unexpected, experts say.
- Animals
Dim lighting may raise the risk of a West Nile virus exposure
Dimly lit nights increased risk of West Nile virus exposure in chickens. Artificial light proved a better predictor of risk than population or paving.
