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FRIDAY, June 11, 2021 (HealthDay News) -- If you're obese, you're far more likely to have long-lasting health issues if you get COVID-19 and survive, a new study warns.

You are more likely than patients who aren't obese to be hospitalized. You're more likely wind up in the intensive care unit, need to be put on a ventilator and suffer from long-haul COVID than patients ...

As the number of people fully immunized against COVID-19 rises into the hundreds of millions, immunologists and infectious disease experts now are pondering a new question in the unfolding pandemic.

Namely, how long will vaccine immunity last, and will people who've gotten the jab need booster shots to maintain their protection?

It's an important question, as waning immunity in the ...

A real-world study shows that even when folks who get the Pfizer and Moderna COVID-19 vaccines do have 'breakthrough' infections, those illnesses are mild.

The study, from researchers at the U.S. Centers for Disease Control and Prevention, is among the first to show that people who get COVID-19 despite being fully or partially vaccinated are less likely to have serious illness or to infec...

New research suggests that many people who've undergone an organ transplant do not get an immune response from COVID-19 vaccines that's strong enough to ward off a "breakthrough" infection.

In a new review of 14 such cases, these breakthrough COVID-19 infections occurred in 10 recipients of new kidneys, two liver recipients, one lung recipient and one heart recipient, said a research team...

U.S. teens are getting their COVID shots -- how does that change their daily lives?

Besides letting teens resume many of their normal activities, U.S. authorization of the Pfizer COVID-19 vaccine for people as young as 12 is crucial to slowing the spread of the coronavirus, one expert says.

"We know that teenagers can not only get COVID-19 but they can also transmit the virus,"...

In some good news for those who have already suffered through a bout of COVID-19, a new study finds they may have a much lower risk of reinfection for at least 10 months.

For the study, the researchers analyzed rates of SARS-CoV-2 infections between October 2020 and February 2021 among more than 2,000 nursing home residents (median age 86) and staff. Antibody testing was used to determine...

Moderna plus Pfizer? J&J plus Moderna? There's a new clinical trial underway to assess the safety and effectiveness of mixing different types of booster shots in adults who have been fully vaccinated against COVID-19.

"Although the vaccines currently authorized by the U.S. Food and Drug Administration offer strong protection against COVID-19, we need to prepare for the possibility of ne...

Ethan Lindenberger knows what it's like when you have anti-vaxxer parents: At 18, he gained national notoriety when he sought vaccines in defiance of his mother's fervent wishes.

Now, the 20-year-old has some advice for teens facing a similar dilemma posed by the pandemic -- how to convince their anti-vaxxer parents to let them get the COVID-19 vaccine.

The Pfizer shot is now FDA--a...

Many health experts hailed the recent approval of the Pfizer vaccine for those aged 12 to 15, but some parents have been hesitant to take their kids in for a shot.

"Parents naturally worry more about their children than they do about themselves -- I think that's parenting defined," said Dr. Hina Talib, a pediatrician and adolescent health specialist at the Children's Hospital at Montefior...

If more proof of the safety of vaccines is needed, a new study delivers fresh evidence that they carry few harms for children, adults and pregnant women.

"This in-depth analysis found no evidence of increased risk of serious adverse events following vaccines, apart from a few — previously known — associations," said Susanne Hempel, director of the Southern California Evidence Review C...

A widely used medicine for autoimmune diseases may lower people's immune response to the Pfizer mRNA COVID-19 vaccine, a new study suggests.

The drug, called methotrexate, is often given to patients with immune-mediated inflammatory conditions such as rheumatoid arthritis and psoriasis/psoriatic arthritis.

"Our findings suggest that different strategies may need to be explored in p...

A small but significant percentage of Americans take medications that can hamper their immune system and its response to COVID-19 vaccines, researchers say.

Their analysis of data from more than 3 million adults under 65 with private insurance found that nearly 3% take immunosuppressive drugs. Those include chemotherapy medications and steroids such as prednisone.

Two-thirds took an...

A single dose of a COVID-19 vaccine isn't enough to develop adequate antibodies in kidney dialysis patients, Canadian researchers report.

"We advise that the second dose of the [Pfizer] vaccine be administered to patients receiving hemodialysis at the recommended 3-week time interval and that rigorous SARS-CoV-2 infection prevention and control measures be continued in hemodialysis units ...

Sixty-seven percent of inmates in California prisons who were offered a COVID-19 vaccine have accepted at least one dose, a Stanford University study found.

"This is one of the largest state prison systems in the country, and if it can achieve high vaccination coverage among its incarcerated population, then the federal and other state prisons systems can and should do the same for the mo...

Two doses of the Pfizer-BioNTech COVID-19 vaccine provide a high level of protection for populations, a new study shows.

The findings from Israel -- the first nation to report national data on the vaccine -- show that two doses provide more than 95% protection for people 16 and older against COVID-19 infection, hospitalization and death.

The study period was from Jan. 24 to April 3,...

The United States could see a sharp decline in COVID-19 cases by the end of July, according to a new report from the U.S. Centers for Disease Control and Prevention.

Six research teams asked to project future COVID-19 trends have concluded that new infections will drastically drop in July and continue to fall through September, the researchers reported May 5 in the Morbidity and Morta...

Two widely used COVID-19 vaccines -- Pfizer and Moderna -- will likely remain powerfully protective against developing serious illness even if coronavirus variants somehow manage to infect vaccinated patients, new research suggests.

Both vaccines are based on messenger RNA (mRNA) technology. And investigators say that, at least in theory, such technology can deploy multiple levels of defe...

Anxiety was the cause of 64 vaccine reactions, including fainting, in people who got the Johnson & Johnson single-dose COVID-19 vaccine in early April at sites in five states, a new study finds.

Researchers led by Anne Hause of the U.S. Centers for Disease Control and Prevention noted that "anxiety-related events, including syncope [fainting], can occur immediately after vaccination with ...

About 20% of Americans on kidney dialysis are reluctant to get a COVID-19 shot, according to a new study.

Kidney failure patients on dialysis are at increased risk for COVID-related complications that could lead to hospitalization and death, so it's important for them to be vaccinated, researchers said.

"Finding that 80% of patients on dialysis were willing to get a COVID-19 vaccine...

U.S. resistance to getting a COVID-19 vaccine is slowly diminishing, a new online survey finds, but it still exists and at especially rates in some blue-collar jobs.

For adults under age 65 who are hesitant, reluctance is mainly driven by concerns about safety, side effects and distrust in government, the poll found. It's also largely linked to people's line of work.

The bottom line...

There's some sobering news for the millions of Americans who skipped their second coronavirus vaccine dose: Doing so could greatly reduce their odds of avoiding severe illness.

In a "real-world" study of 417 adults aged 65 or older who got either the Pfizer or Moderna two-dose vaccines, effectiveness in keeping folks out of the hospital with COVID-19 "was 94% among adults who were fully v...

An experimental COVID-19 vaccine could potentially provide universal protection against future COVID variants as well as other coronaviruses -- maybe even the ones responsible for the common cold. And it's dirt cheap -- less than $1 a dose, researchers say.

The vaccine targets a part of the COVID virus' spike protein that appears to be highly resistant to mutation and is common across nea...

THURSDAY, April 22, 2021 (HeathDay News) -- April 16 was the first day that any Californian aged 16 or older became eligible to get the COVID-19 vaccine.

And at a bustling vaccination center in Pomona, Calif., 16-year-old Ashley Madera was in line to get her first dose of the Pfizer vaccine.

"I think that this vaccine is effective," said Madera, who lives in nearby Rancho Cucamonga...

Dermatologists liken skin to a window that can reveal what is going on inside the body, and a rash that sometimes follows a COVID-19 vaccine is one example.

When you get the shot, your immune system activates, preparing to recognize and fight off the virus in the future. This response and the inflammation that goes with it can occasionally result in a rash. But experts say as long as it h...

Many American teens and young adults are now embracing the chance to get COVID-19 vaccines, a new survey finds.

But youth-focused messaging will still be needed to convince a minority of those aged 14 to 24 that they should be vaccinated, the University of Michigan researchers said. Still, the good news is that more young people are ready to get their shots than said they were ready to do...

Once you've landed that coveted coronavirus vaccine appointment, you'll likely have to fill out a form on your medical history and whether you're allergic to any of the vaccine's ingredients. But there could be another question waiting for you: Have you ever had dermal filler injections?

That's because -- in rare cases -- people who've had the face-plumping injections can develop a mild, ...

A new clinical trial will investigate whether people who are highly allergic or have what's known as a mast cell disorder are at higher risk for a sudden allergic reaction to the Moderna or Pfizer COVID-19 vaccines.

"The public understandably has been concerned about reports of rare, severe allergic reactions to the Moderna and Pfizer-BioNTech COVID-19 vaccines," said Dr. Anthony Fauci, d...

Two people in the Johnson & Johnson COVID-19 vaccine trial developed Guillain-Barré syndrome, but it's highly doubtful the vaccine is to blame, according to a just-published case study.

Although both people were in the same trial, one was given the vaccine and the other was given a placebo of saline solution.

"That strengthens the possibility that the case in our report may have be...

There's good news for the millions of Americans who've already received a dose or two of Moderna's COVID-19 vaccine: New research shows the vaccine should protect against illness for at least six months.

The new study tracked 33 participants in the trials that led to the vaccine's approval. Six months after having received their second vaccine dose, "antibody activity remained high in al...

A new U.S. study offers more evidence that a single dose of a two-dose COVID-19 vaccine may provide enough protection to people who've previously been infected with the coronavirus.

"Our findings extend those from smaller studies reported elsewhere and support a potential strategy of providing a single dose of vaccine to persons with a confirmed prior history of coronavirus infection, al...

Just because you've had your COVID-19 vaccination doesn't mean you can stop taking steps to protect yourself and others, experts say.

So far, only about 16% of Americans have been fully vaccinated, and on March 24, the U.S. Centers for Disease Control and Prevention reported a 6.7% increase in the seven-day average number of daily cases, compared to the prior week.

About 60,000 peo...

Kids will be kids, and that's exactly why Holly McDade plans to get her three young children the COVID-19 vaccine as soon as it becomes available to them.

"Little kids can't help but touch their mouths and their noses and touch other things," said McDade, 32, of Strasburg, Va. "They just don't think about it. It's not where their brains are at yet."

McDade isn't concerned so much ab...

More than one-quarter of U.S. parents don't plan to vaccinate their kids for COVID-19, and roughly as many oppose school-required coronavirus shots, a new study finds.

This opposition was more common among moms than dads, and was especially common among white mothers who identified as Republican/Republican-leaning, the researchers said.

"Women tend to serve as family health managers...

It's the question everyone wants answered because reopening the world depends on it: Can coronavirus vaccines stop transmission of the virus?

Now, 21 universities across the United States are teaming up to find out.

The project, called Prevent COVID U, was started by the COVID-19 Prevention Network housed at the Fred Hutchinson Cancer Research Center in Seattle.

The study inc...

Fifteen years of widespread vaccination of U.S. children with the human papillomavirus (HPV) vaccine is reaping big rewards: A more than 80% drop in new infections has been seen in women and girls under the age of 25.

That could mean an equally big drop to come in a host of dangerous conditions that are linked to HPV infection, including cancers of the cervix, anogenital area and mouth/th...

Health care workers were just as uneasy as everyone else when COVID-19 vaccines were about to be approved in the United States, with large numbers hesitant to take the shot in early December, a new study reveals.

But that hesitancy dwindled over the next few weeks, as health system employees learned more about the safety and efficacy data gathered during clinical trials of the vaccines, r...

The U.S. COVID-19 vaccination program is proceeding apace, with more than one-fifth of adult Americans having received at least one dose and eligibility opening up for everyone by May 1, under orders from President Joe Biden.

That means the fully vaccinated now have one pressing question: What can I do now that I haven't been able to do before?

In a new

  • Dennis Thompson HealthDay Reporter
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  • March 19, 2021
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  • Full Page
  • Don't believe everything you hear: A sizable minority of Americans are still hesitant about getting the new COVID-19 vaccine, but their fears are mostly not warranted, a leading vaccine expert says.

    "Not only has it been shown to be safe in tens of thousands of people before approval, it's been shown to be safe in tens of millions of people post-approval," Dr. Paul Offit, director of the ...

    With tens of millions of COVID-19 vaccine doses going into American arms, pressure is mounting for a U.S. "vaccine passport" that would allow the fully immunized to travel freely and more easily enjoy other aspects of pre-pandemic life.

    More than two dozen airline trade organizations, labor unions and the U.S. Chamber of Commerce have asked the White House to "establish uniform guidance" ...

    Talking with their doctors may help convince reluctant Americans to get COVID-19 vaccines, evidence from a previous pandemic suggests.

    Researchers analyzed responses from more than 19,000 people in the United States who were surveyed during the H1N1 swine flu pandemic in 2009.

    The poll assessed respondents' attitudes toward doctors, their openness to discussing vaccines with their p...

    Health care workers are more likely to catch COVID-19 at home or in their community than on the job, a new study finds.

    "The news is reassuring in that it shows the measures taken are working to prevent infections from spreading in health care facilities," said study co-author Dr. Anthony Harris. He's professor of epidemiology and public health at the University of Maryland School of Medi...

    In more good news on the coronavirus vaccine front, a new government report finds that 88% of Americans who get their first COVID-19 shot return for their second.

    That bodes well for the United States, since full vaccination is vital to stopping the pandemic.

    In December 2020, the Pfizer and Moderna COVID-19 vaccines were approved for emergency use, but both require two shots to get...

    If you've previously been infected by the new coronavirus, just one dose of the two-dose Pfizer or Moderna COVID-19 vaccines may be enough to protect you from future infection, according to a new study.

    "We showed that the antibody response to the first vaccine dose in people with preexisting immunity is equal to or even exceeds the response in uninfected people after the second dose," sa...

    Diphtheria could once again become a major global health problem due to vaccine and antibiotic resistance, researchers warn.

    Diphtheria is a highly contagious -- and potentially deadly -- infection that can affect the nose and throat, as well as the skin.

    It is caused primarily by strains of bacteria called Corynebacterium diphtheriae, which make a toxin, or poison, that ca...

    Just one dose of the Pfizer or Oxford-AstraZeneca vaccines significantly reduces the risk of hospitalization for COVID patients in their 80s with preexisting health conditions, a preliminary study shows.

    The findings are from AvonCAP, an ongoing surveillance project funded by Pfizer Inc. It gathers detailed information from two National Health Service (NHS) hospitals in Bristol, U.K., on ...

    Americans love to have choices, and now there are three COVID-19 vaccines approved for use in the United States.

    But infectious disease experts say that all three protect strongly against severe COVID-19, so there is only one criteria to use in deciding which vaccine is the best.

    "There is a single best vaccine. It's the one that's available to you today," said Dr. William Schaffner...

    Many women suffer through countless urinary tract infections (UTIs), but a new study in mice offers hope that a vaccine could one day bring their nightmares to an end.

    "Although several vaccines against UTIs have been investigated in clinical trials, they have so far had limited success," said senior study author Soman Abraham, a professor of pathology, immunology and molecular genetics &...

    Some people given the Moderna COVID-19 vaccine may develop a reaction at the injection site that can first appear more than a week after they get the shot, research shows.

    A minority of patients may experience a large, red, sometimes raised, itchy or painful skin reaction, according to researchers at Massachusetts General Hospital (MGH) in Boston.

    Although the reaction was seen in c...

    The first U.S. case of a Brazilian COVID-19 variant that doctors fear can re-infect the previously sick surfaced in Minnesota in early January 2021, and the more infectious variant has since been found in four other states, a new government report says.

    Known as the P.1 variant, it first appeared in a Minnesotan who'd recently traveled to southeastern Brazil, according to Melanie Fireston...

    A clinical trial evaluating the use of convalescent plasma in patients with mild to moderate COVID-19 symptoms has been halted because the treatment didn't benefit them, according to the U.S. National Institutes of Health.

    Convalescent plasma (also called "survivor's plasma") is derived from the blood of patients who have already recovered from COVID-19. It's thought that infusions of the...