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Results for search "Viruses".

23 Sep

Pregnant Women Who Get COVID Vaccine Pass Antibodies to Newborns

Expectant moms who receive mRNA Covid-19 vaccines pass antibodies to their newborns, researchers find.

Health News Results - 1266

It's too soon to determine whether Omicron's rapid spread will turn a pandemic virus into an endemic disease, America's top infectious disease expert says.

That "would only be the case if we don't get another variant that eludes the immune response to the prior variant," Dr. Anthony Fauci said this week during the Davos Agenda, a virtual event being held this week by the World Economic Fo...

TUESDAY, Jan. 18, 2022 (HealthDay News) -- If you vape and catch COVID-19, you may feel a whole lot worse than people who come down with the virus but don't use electronic cigarettes, researchers say.

When compared to folks with COVID-19 who didn't use e-ciga...

Despite earlier concerns that at-home COVID-19 tests might be less accurate than PCR tests, new research in U.S. children and teens adds to evidence that the rapid tests are highly accurate.

The scientists said the accuracy of the tests — which can be used at home and in schools and provide quick results — is similar to that of

You've gotten vaccinated. You've gotten boosted. You wear your mask, maintain social distancing, wash your hands — you do everything you've been asked to do to protect yourself and others.

And you are completely fed up.

If that description sounds like you, you might be part of a contingent of people who consider themselves "vaxxed and done" with the

  • Dennis Thompson HealthDay Reporter
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  • January 17, 2022
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  • Residents of nursing homes have been a particularly at-risk group throughout the pandemic, and the advent of the fast-spreading Omicron variant has them facing another wave of infections and deaths, new data shows.

    During the week ending Jan. 9, U.S. nursing homes reported more tha...

    Flu vaccines protect children against serious illness, even when the vaccine doesn't match the circulating flu virus, according to a new study that reinforces the importance of flu shots.

    Flu viruses are constantly changing, and the effectiveness of flu vaccines can be influenced by the similarity between the viruses used in vaccine production and the viruses circulating in a given flu s...

    As the Omicron variant rages across the United States, an expert outlines how to reduce your risk of getting infected with COVID-19.

    Be cautious when it comes to social activities and consider the amount of risk you're willing to accept in order to get together with others, said Dr. Michael Lin, an infectious disease specialist and associate professor at Rush University Medical Center in ...

    One in 10 people with COVID-19 could still be infectious beyond 10 days, and some could remain so for as long as two months, a new study suggests.

    U.K. researchers reported that a new test can detect whether the coronavirus is potentially still active. They used it to analyze samples from 176 people who ...

    Face masks are touted as a key tool in preventing the spread of COVID-19, and a new study offers more proof that they work.

    Florida researchers found face masks cut the distance that airborne pathogens such as the coronavirus can travel by more than half.

    The findings suggest that some

  • Robert Preidt
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  • January 14, 2022
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  • In a sign that the highly contagious Omicron variant is sparing no one, a new report shows that new COVID-19 cases among U.S. children spiked to a high of more than 580,000 for the week ending Jan. 6, a 78% increase from the week before.

    "Since many children remain unvaccinated — or are too young to be vaccinated — children are bearing a disproportionate burden of this illness," said...

    Pfizer Inc. said Tuesday that a COVID-19 vaccine that specifically targets the Omicron variant will be ready by March.

    The company has already started making the new version of the vaccine, Pfizer CEO Albert Bourla told CNBC's "Squawk Box," CBS News reported.

    Omicron now accounts for more than 98% of all new COVID-19 cases in the United States, according to the

    Researchers say they've uncovered a clue to why the Omicron variant spreads COVID-19 so much more rapidly than its predecessors.

    People who are infected but have no symptoms are still far more likely to infect others than they would have been with earlier variants, the data shows.

    "As we witness the quick, global spread of

  • Cara Murez
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  • January 10, 2022
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  • Vaccination is still the best way to protect someone from COVID-19, but new research suggests that immune system activation of T-cells by common colds may offer some cross-protection.

    The study might also provide a blueprint for a second-generation, universal vaccine that could prevent infection from current and future variants, the research team said.

    "Being exposed to the

    Citing the rapid spread of the Omicron variant and the need for protection against it, U.S. federal health officials are shortening the recommended time between the second dose of the Moderna vaccine and a booster shot from six months down to five.

    "The country is in the middle of a wave of the highly contagious Omicron variant, which spreads more rapidly than the original SARS-CoV-2 vi...

    Kelly Fucheck woke up one summer Sunday ready to spend a quiet morning at home with her husband, Glen. Their toddler, Tomas, had spent the night at grandma's house.

    She picked out a pair of comfy pants, but when she tried to put them on, she swayed to the left. Then Kelly noticed a sharp pain in the back of her neck. She felt foggy.

    She went into the bathroom and splashed water on h...

    COVID-19 infection isn’t a game, and you shouldn’t try to get it on purpose -- not even the supposedly "mild" Omicron variant of the virus.

    It's a high-risk strategy for yourself, for public health and the economy, medical experts agreed.

    “You’d be crazy to try to get infected with this,” said Dr. Robert Murphy, executive director of the Havey Institute for Global Health a...

    An international trial found that a once-a-day antiretroviral medication for kids with HIV is not only cheap and easy to take, but also better at suppressing HIV than standard treatments.

    "Our findings provide strong evidence for the global rollout of dolutegravir for children with HIV," said Dr. Diana Gibb, a professor of epidemiology at University College London and a principal investig...

    You're watching the Omicron variant race around the world and think it might be time to upgrade your mask to a gold-standard N95 or K-N95 model. A quick search on Google should find you one, right?

    Not so fast, experts say.

    According to Anne Miller, executive director of the nonprofit group Project N95, the masks that offer the most protection are indeed the N95 and the K-N95 -- bot...

    Researchers have confirmed that some white-tailed deer in Texas have COVID-19.

    The scientific community has been alarmed by the prospect of deer becoming new hosts for COVID since July, when the U.S. Department of Agriculture found antibodies in white-tailed deer in Illinois, Michigan, New York and Pennsylvania<...

    Researchers are still trying to figure out what will happen with both the Delta and Omicron variants of COVID-19 spreading simultaneously.

    Now new lab-based data is suggesting that the newer variant, Omicron, might bring one silver lining: It could help folks who contract it defend agains...

    New antiviral pills for COVID-19 recently authorized for emergency use in high-risk people by the U.S. Food and Drug Administration should give doctors an easier means of keeping people out of the hospital.

    But the initial hype is giving way to reality, as doctors and public health officials grapple with the challenges of getting the Pfizer and Merck antiviral pills into the hands of thos...

    Child hospitalizations for COVID-19 jumped 30% this past week as the Omicron variant spread like wildfire throughout the United States.

    By Dec. 28, the country had an average of 260 pediatric COVID-19 hospitalizations each day, according to the latest data from the U.S. Centers for Disease Cont...

    Just how SARS-CoV-2 eludes the human immune system has mystified scientists for close to two years, but now they've uncovered an important clue.

    Turns out the virus that causes COVID-19 has some stealth moves that allow it to spread from cell to cell, hiding from the immune system, new research reveals.

    ...

    Taking to the skies for a long-awaited holiday?

    Choose your seat on the plane wisely and don't overlook familiar steps like keeping your mask on to reduce your odds for getting COVID-19 or another contagious disease, experts suggest.

    “Spacing is an obvious challenge on airplanes, especially when the planes are filled at or near capacity over the holiday season. So anything that c...

    The COVID virus strain circulating in the United States during the pandemic's first wave spread so fast because it most often started with a cough, according to a new study.

    It's likely that people with that strain -- D614G -- coughed and spread the virus before they were laid low by fever, the most common second symptom of infection, researchers explained.

    "Studying the likely orde...

    Lockdowns keep people home for a few weeks, but they lose their luster after a few months, claims a new study that comes as many countries consider a return to lockdowns to slow the renewed spread of COVID-19.

    The findings could be used by policymakers when deciding whether to impose lockdowns, the research...

    Tempting as it is to mingle with friends and relatives, anyone with cancer should take extra precautions this holiday season to avoid COVID-19. Their families also need to be cautious to help protect them, experts say.

    Yale Cancer Center reminds people who are living with cancer that the disease and treatments can put a patient at risk for serious illness from the coronavirus, even if th...

    In a sign that white-tailed deer are becoming a reservoir for the new coronavirus, researchers report that COVID-19 variants are spreading among the wild animals.

    How they became infected and if these variants can infect humans isn't known, experts say.

    "Animal reservoirs of zoonotic viruses po...

    The U.S. Army says it has developed a COVID-19 vaccine it believes could work against any and all coronavirus variants, including Omicron.

    Results from early human trials of the Spike Ferritin Nanoparticle (SpFN) COVID vaccine are expected by the end of the month, the Army added.

    Lab studies have already shown that the new vaccine protects monkeys from the original strain of COVID-...

    Flu is making a comeback in the United States this year, with cases rising around the country even as the Omicron variant is surging, infectious disease experts say.

    "We already are seeing significant increases in the amount of influenza occurring across the United States, especially with regards to the eastern part of the U.S. and the central part of the country," said Dr. Tina Tan, an i...

    Of course kids make up the bulk of people at schools, but new evidence shows that requiring masks for adults working at schools greatly reduces the severity of COVID-19 outbreaks.

    In the study, the researchers found that children were most often the first identified cases in schools. However, outbreaks in schools were more severe when an adult was the first case, and mask wearing by adul...

    The first injection drug to prevent HIV infection was approved by the U.S. Food and Drug Administration on Monday.

    “Today’s approval adds an important tool in the effort to end the HIV epidemic by providing the first option to prevent HIV that does not involve taking a daily pill,” Dr. Debra Birnkrant, director of the Division of Antivirals in the FDA’s Center for Drug Evaluation ...

    You might have heard a lot about the human papillomavirus (HPV) and its role in cervical cancer, but this sexually transmitted virus can also cause another type of cancer.

    Rates of oropharyngeal cancer, which occurs in the middle part of the throat, are rising rapidly among older men throughout the United States. They're also growing among women in the Southeast and Midwest.

    Investi...

    Far from terrorizing people as they did in "Jaws," sharks may offer humanity hope in fending off future coronavirus outbreaks, new research suggests.

    That's because their immune systems have unique antibody-like proteins called VNARs that can prevent the SARS-COV-2 virus that causes COVID-19 and its variants from infecting human cells, the researchers said. The findings have so far only b...

    Breakthrough infections in people who've been vaccinated against COVID-19 may trigger "super immunity" against coronavirus variants, including Omicron, according to a new study.

    "The key is to get vaccinated. You’ve got to have a foundation of protection," said co-author Dr. Marcel Curlin, an associate professor of medicine at Oregon Health & Sciences University (OHSU) in Portland.

    <...

    By this time, roughly 21 months into the pandemic, everyone should have masks and know how to wear them.

    Yet, go into a grocery store, a church or a holiday event where masks are required and you're likely to see people wearing masks that are falling off their nose or have gaps at the sides.

    Now, new research arrives at what works best: When it comes to keeping the COVID-19 virus t...

    Mask mandates work, according to a large international study that linked the laws with a reduction in COVID-19 deaths.

    The study included 44 countries with a combined population of nearly 1 billion. Over time, researchers found, the increase in COVID-related deaths was significantly slower in c...

    When it comes to fending off new viruses, baby has Mom and Dad beat.

    An infant's immune system is better than an adult's at combating new viruses, researchers say.

    Compared to adults, babies get a lot of viral respiratory infections, but babies are dealing with these viruses for the first time, study author Donna Farber pointed out.

    “Adults don’t get sick as often because ...

    Compared to previous coronavirus variants, Omicron appears to cause less severe illness, but is more resistant to the Pfizer vaccine, researchers at South Africa's largest health insurer report.

    The team at Discovery Health analyzed 211,000 positive coronavirus cases during the country's fourth wave, including 78,000 attributed to

  • Robert Preidt
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  • December 14, 2021
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  • Pfizer Inc. announced Tuesday that a final analysis shows its experimental antiviral pill Paxlovid sharply reduced hospitalizations and deaths among people at high risk for severe illness.

    The latest results, which reinforce an earlier analysis released in November, Pfizer’s drug cut hospitalizations and deaths by nearly 90 percent when taken within three to five days of the start of...

    The COVID-19 death toll in the United States reached 800,000 on Monday, and one expert believes it will likely hit 1 million at some point in 2022.

    The 800,156 confirmed deaths in the nearly two years since the first known U.S. victims of the coronavirus were confirmed in February 2020 is more than any other nation in the world, and a larger number than the population of Boston, Washingt...

    The ability of two-dose COVID-19 vaccines to protect against symptomatic infection by the Omicron variant falls significantly short, but a booster shot provides considerable protection, according to the first real...

    Long COVID can be tough to diagnose in children, but there are a number of things to look for.

    “Many children don’t have any symptoms when they have a COVID infection,” said Dr. Sindhu Mohandas, a pediatric infectious disease specialist and attending physician at Children’s Hospital Los Angeles. “So if the symptoms of long COVID appear later, it can be difficult to link them to ...

    The Omicron variant could prompt a reshuffling of the way doctors treat COVID infections in the United States, and antiviral pills will likely lead the way in that redoubled effort, Harvard experts say.

    New antiviral pills developed by Merck and Pfizer are expected to remain effective against the Omicron variant, mostly because they interfere with the ability of the coronavirus to replica...

    Cutting-edge mRNA technology brought safe, effective COVID-19 vaccines to a world in crisis -- could it do the same for a much older foe, HIV?

    An experimental HIV vaccine that uses the same

  • Robert Preidt and Ernie Mundell HealthDay Reporters
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  • December 10, 2021
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  • What do all the microbes living rent-free in your gut have to do with disease risk? Perhaps a lot.

    A groundbreaking analysis of decades-old stool and blood samples from the early AIDS epidemic suggests that men who had high levels of inflammation-causing bacteria in their intestin...

    Regular physical activity has all sorts of benefits, and now researchers say it may help ward off serious pneumonia.

    Until now, it wasn't clear how exercise affected the risk of pneumonia, an infection of the lung tissue usually caused by bacteria or viruses. To find out, researchers ana...

    Booster doses of Pfizer's coronavirus vaccine set recipients up to effectively withstand the ravages of both the Delta and Omicron variants, a group of new studies suggest.

    Boosted folks are 90% less likely to die from a Delta infection than people relying solely on the initial two-dose vaccination, Israeli data show.

    That protection will be critically important during the next coup...

    The best available treatment for COVID-19 infection just got a lot easier to administer to more people, potentially saving more lives in the process, a new study claims.

    Monoclonal antibodies have been shown to dramatically reduce risk of hospitalization and death if given within five days of developing symptoms of COVID.

    However, there's a big roadblock to this getting this treatme...

    Yet another study shows that a combination of vaccination and previous infection may provide better protection against new COVID-19 variants than either one alone.

    That's because the antibodies a person develops after either just vaccination or previous infection may not be able to fend off new variants.

    In the new study, investigators found that antibodies in previously uninfected ...

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