California red-legged frogs are threatened with extinction.
Amphibians have been devastated by a chytrid fungus pandemic. Researchers immunized California red-legged frogs in Yosemite to give them a fighting chance at survival, with surprising results.
President Joe Biden tested positive for COVID-19 on July 21, 2022, but was reportedly feeling well enough to work and take calls, as seen in this photo released by the White House.
Adam Schultz/The White House via AP
According to a letter from Biden’s doctor, the president has a runny nose, mild fatigue and a slight cough. The letter also noted that Biden began taking an antiviral drug the morning he tested positive.
Experts estimate that close to 90% of the U.S. population must be vaccinated to reach herd immunity for COVID-19.
David McNew/AFP via Getty Images
Vaccination campaigns like the ones that eventually eliminated polio and measles in the United States required decades of education and awareness in order to achieve herd immunity in the U.S. population.
Many U.S. states follow some form of “mature minor doctrine” allowing teens to make medical decisions without parental consent, including COVID-19 vaccination.
Pete Bannan/MediaNews Group/Daily Times via Getty Images
Some states have a legal framework allowing “mature minors” to make their own health care decisions – but they apply it in different ways, and some don’t have it at all.
Masking indoors will yet again be the new normal in Los Angeles County – and possibly elsewhere in the U.S.
Lourdes Balduque/ Moment via Getty Images
As Los Angeles County again mandates masking indoors – even for the fully vaccinated – local health officials in the U.S. are closely eyeing their own COVID-19 vaccination and infection rates.
Families and youth aged 12 and older lined up for a COVID-19 vaccine at Gordon A Brown Middle School in Toronto in May.
THE CANADIAN PRESS/Nathan Denette
With youth ages 12 and over eligible for COVID-19 vaccination — and as trials for younger children move ahead — parental hesitancy is emerging as the new challenge for COVID-19 vaccine programs.
Vaccination has saved millions of lives throughout the course of history.
Phynart Studio/E+ from Getty Images
Vaccines have successfully curtailed viral diseases for decades. But as COVID-19 vaccination hesitancy shows, mistrust and misinformation continue to put lives at risk.
Empathetically exploring the positive motivations of people who are vaccine hesitant may help improve acceptance for COVID-19 vaccines and others.
From maternity wards to primary care, Canadian researchers are looking to find the positive motivations of vaccine hesitant people, whether they are new parents or other adults.
Premier Scott Moe speaks after a media tour of the COVID-19 mass immunization clinic and drive-thru immunization space in Regina on Feb. 18, 2021. The province also has mobile immunization vehicles to distribute the vaccine to remote communities.
THE CANADIAN PRESS/Michael Bell
One important metric by which we can measure the success of our public health system: Ensuring everyone has access to immunization in their community.
Black patients can be wary of the medical establishment.
Maskot via Getty Images
Though COVID-19 has killed Black Americans at nearly twice the rate as white Americans, Black people are the least likely racial group to say they’re eager to get the vaccine.
People are celebrating getting the coronavirus vaccine by posting selfies online.
Vaccine selfies are just the tip of the iceberg of doctor frustration over Canada’s fragmented vaccine rollout.
Once upon a time, buckling up was new behavior.
Harold M. Lambert/Archive Photos via Getty Images
Public health recommendations have always been a hard sell. Resistance to new behaviors – like the mask-wearing and social distancing advised during the COVID-19 pandemic – is part of human nature.
Measles is contagious three or four days before a rash appears on the skin, making it highly communicable.
Seven to 10 days in bed with a high fever and rash is the best outcome you can expect if your child catches measles. Brain damage or death is the worst.
Signs from a protest in 2015 against a California bill that prohibits parents from using a religious exemption as a reason to not vaccinate their children. The bill became law.
AP Photo/Rich Pedroncelli
Opposition to vaccines still prevents many children from getting needed preventative care. Understanding who is opposed, and why, can help, but the answers may surprise you.
A recent study of medical students and residents found they were reluctant to engage with parents who have vaccination fears. But listening to parents is important.
A recent study suggests that shunning parents who are reluctant to vaccinate their kids isn’t the best strategy. A better strategy might be old-fashioned, but it works.
For viruses like dengue, being injected with the pathogen as in a vaccine can open the door to secondary infections.
Our immune system protects us but when it comes to some mosquito-borne disease, it can work against us. What are the implications for the development of a Zika virus vaccine?
Measles immunization campaign poster display at the Eradicate Measles Exhibit in 1972.
CDC/ Don Lovell via Public Health Image Library
When the measles vaccine was introduced, it was associated with reductions in more childhood disease deaths than were actually caused by the measles. How does that work?