Latest articles by Rachael Rettner
Mysterious brain disease 'cluster' under investigation in Canada
The illness has afflicted more than 40 people in New Brunswick.
Pfizer and Moderna COVID-19 vaccines are 90% effective in 'real-world' study
Two doses of either vaccine were 90% effective at preventing infections, and a single dose was 80% effective.
Ex-CDC director believes COVID-19 escaped from a lab, but cites no evidence
Many experts have rejected that theory as unlikely.
Pfizer starts COVID-19 vaccine trial in young kids
Pfizer is the latest COVID-19 vaccine maker to test its shot in young children.
WWII-era stimulant drug discovered in weight loss supplements
The drug was one of nine prohibited stimulants found in sports and weight loss supplements.
5 kids hospitalized with liver failure after drinking ionized 'Real Water'
Such water goes through an ionizing process to raise its pH so that it becomes more basic or alkaline.
Deadly hospital superbug found on a remote island beach
The study may provide clues to the origins of this superbug, Candida auris.
More twins are being born than ever before
Since the 1980s, the rate of twin births worldwide has increased by more than 30%.
1st COVID-19 vaccine vial used in the US headed to museum
The historic shot was administered to New York nurse Sandra Lindsay on Dec. 14.
Man accidentally gets 2 COVID-19 shots in one day, goes into shock
There was a mix-up between patients at his rehabilitation center.
Why is China giving travelers anal tests for COVID-19?
Travelers to some Chinese cities have been required to take anal swab tests for COVID-19.
Orangutans and bonobos at US zoo get experimental COVID-19 vaccine
Four orangutans and five bonobos have been vaccinated.
Mysterious odor caused by BB pellet stuck in teen's nose for 8 years
The teen been shot in the nose with a pellet gun years earlier.
Microdosing with 'shrooms or LSD no better than placebo, study finds
The study had a unique design in which participants were "self blinded."
Venomous spiders take advantage of pandemic, move into college buildings
Sightings of these spiders in the university's library basement prompted staff to close the library for two days.
New coronavirus variant in NYC has vaccine-evading mutation
It has a mutation that may help the coronavirus partially evade COVID-19 vaccines.
Why COVID-19 spreads more easily than SARS
The study researchers focused on the spike protein, the structure that allows coronaviruses to bind to and enter human cells.
Puppy born with 6 legs, 2 tails called a 'miracle'
Despite her rare conditions, Skipper appears healthy and strong.
'Homegrown' California coronavirus variant is more contagious and possibly deadlier
Lab studies found that the variant was 40% better at infecting human cells compared with earlier strains.
Woman contracts COVID-19 from lung transplant in a first
A lifesaving operation turned tragic when a Michigan woman contracted COVID-19 from her double lung transplant last year and died soon after.
Teachers may play a central role in spreading COVID-19 in schools, CDC says
The findings highlight "the importance of preventing infections among educators in particular," the authors said.
