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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 - 1339

Some Viruses Make People More Attractive to Mosquitoes

FRIDAY, July 1, 2022 (HealthDay News) – When a mosquito bites and infects you with a virus like dengue or Zika, it also makes you smell good to other mosquitos, new research suggests.

That makes it more likely another one will bite, pick up the virus and carry it to the next victim.

“The virus can manipulate the hosts’ skin microbiome to attract more mosquitoes to spread faste...

FDA Tells Vaccine Makers to Update Boosters to Target Omicron Subvariants

The U.S. Food and Drug Administration announced Thursday that it has asked vaccine makers to update their COVID-19 booster shots to target the Omicron subvariants known as BA.4 and BA.5.

The two highly contagious subvariants now account for more than half of all new COVID cases in the United States...

Harnessing a Virus to Fight a Killer Brain Tumor in Kids

THURSDAY, June 30, 2022 (HealthDay News) -- A therapy that uses a virus to kill tumor cells can be safely given to children with a rare, incurable form of brain cancer, an early study has found.

The study -- published June 30 in the New England Journal of Medicine -- involved just ...

Could Llamas Hold the Key to Fighting COVID-19?

Llamas are more than beautiful creatures -- they could also help protect humans from COVID-19 and a large array of similar viruses.

Contained in their blood samples are tiny, robust immune particles that could protect against every COVID-19 variant, including Omicron and 18 similar virus...

Paxlovid Cuts Odds for Hospitalization After Omicron Infection by 45%

Paxlovid appears to living up to its reputation as the Tamiflu treatment for COVID-19, maintaining its effectiveness even against emerging variants, a new study shows.

The antiviral COVID pill reduced the risk of hospitalization by 45% when administered to people infected by the coronavirus...

WHO Says Monkeypox not a Global Health Threat for Now

MONDAY, June 27, 2022 (HealthDay News) – The spread of monkeypox should be closely monitored, the World Health Organization said on Saturday, but it is not a global emergency at this time.

NYC Opens First Monkeypox Vaccine Clinic in U.S.

On Thursday, New York City became the first U.S. city to start offering the monkeypox vaccine to those at high risk for the disease.

The announcement follows similar ones issued from the United Kingdom and Canada. Although most cases of the disease have been reported among gay and...

Key Facts You Need to Know About Monkeypox

Media reports about an outbreak of monkeypox may sound scary, but there's no need for most people to take special steps to avoid getting the viral illness, an infectious disease expert says.

Normal precautions recommended to prevent other diseases are sufficient, according to Dr. David Cennimo, an associate professor of medicine and pediatrics in the Division of Infectious Diseases at Rut...

Long COVID Could Be Half as Likely With Omicron vs. Delta

MONDAY, June 20, 2022 (HealthDay News) -- The Omicron variant is less likely to give you long COVID than a previous strain of the virus, British researchers say.

What was described as the

  • Steven Reinberg HealthDay Reporter
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  • June 20, 2022
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  • Bout With Omicron Provides Little Immunity Against Reinfection

    If you battled a COVID-19 infection early in the pandemic, it probably won't protect you much from reinfection with Omicron and its subvariants, a new study warns.

    Even a previous infection with the original Omicron variant provides little protection against reinfection, researchers report.

    WHO Experts to Decide if Monkeypox Is a Global Emergency

    An emergency committee of independent experts will meet next week to determine whether the growing monkeypox outbreak that's spread to dozens of countries should be declared an international health emergency, the World Health Organization

    COVID Symptoms Rarely Rebound After Paxlovid Treatment: Study

    Despite worries that COVID-19 symptoms can return after patients take the drug Paxlovid, such cases of rebound symptoms are actually rare, a new study shows.

    In an advisory last month, the U.S. Centers for Disease Control and Prevention cautioned that COVID-19 can sometime...

    Monkeypox Cases Rising Slowly in the U.S., CDC Says

    Monkeypox cases continue to climb in the United States, although gradually, federal health officials said Friday.

    Public health officials have identified 45 cases of monkeypox across 15 states and the District of Columbia, up from 21 the week before, U.S. Centers for Disease Control and Prevention dir...

    Monkeypox May Sometimes Spread Through the Air

    After adding, and then deleting, a recommendation that U.S. travelers wear masks to protect themselves from monkeypox, the U.S. Centers for Disease Control and Prevention still says that those traveling to countries where the disease is spreading and “other people who may be in close contact with a person who has been confirmed with monkeypox" should consider wearing masks.

    Why the new ...

    U.S. Monkeypox Cases Now at 21, Two Strains Identified

    The number of known U.S. monkeypox cases has increased to 21 in 11 states, federal health officials announced Friday.

    The cases are also concentrated largely among gay or bisexual men, with the virus apparently transmitted as a result of intimate skin-to-skin contact, according to a new report published June 3...

    How Many Days Do COVID Antibodies Stick Around?

    Adults who get COVID-19 could have antibodies circulating in their blood for nearly 500 days after infection, new research suggests.

    "We now have a good estimate of how long antibodies last after a COVID-19 infection," said study author Michael Swartz, an associate professor and vice chair of biostatistics at th...

    Vaccines Don't Shield Against Long COVID, But May Ease Symptoms

    Vaccinated people who experience a breakthrough case of COVID-19 are at risk for developing long-haul symptoms, though they are better protected against some of the worst ones, new data show.

    Compared to the unvaccinated, people who had COVID shots had a 15% lower risk of developing long COVID symptoms after a

  • Dennis Thompson HealthDay Reporter
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  • May 25, 2022
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  • Effectiveness of Antiviral Drugs Against Monkeypox Uncertain: Study

    Up until recently monkeypox infection outside of Africa was rare, but a look back at seven cases occurring in Britain over the past few years gives hints at what drugs work to fight the disease -- and which don’t.

    The need to better understand treatments for monkeypox became more urgent this month when more than a hundred new cases were recorded across Europe and North America.


    Gay Community Most Vulnerable to Monkeypox Threat, Vaccines Available Soon: CDC

    At a Monday media briefing, U.S. public health officials said they are tracking a handful of travel-related monkeypox cases that have been reported across the country.

    Anyone can catch monkeypox, but at this time it appears to be "circulating globally in some parts of the gay community," Dr. John Brooks, a medical epidemiologist with the U.S. Centers for Disease Control and Prevention's...

    What Is Monkeypox, and How Worried Should Americans Be?

    A worrisome international outbreak of monkeypox, a less harmful cousin of the smallpox virus, has now reached the United States and Canada. As of Saturday, 92 confirmed cases of the illness, and 28 more suspected cases, have been reported across 12 countries, according to the World Health Organizati...

    Repeat Infections With COVID-19 May Become the Norm

    COVID-19 might be easing into a new status as a widely circulating and somewhat harsher version of the common cold, experts say — a virus that folks could contract repeatedly, even if they were recently infected.

    "[SARS-CoV-2] is destined to join four of its family members and become an endemic coronav...

    U.S. Cases of Acute Hepatitis in Kids Keep Rising: CDC

    The number of American children affected by acute hepatitis of unknown cause continues to grow, the U.S. Centers for Disease Control and Prevention said on Wednesday.

    So far, the agency's investigation has spotted 180 pediatric cases in 36 states and territories over th...

    Massachusetts Man Has Monkeypox, Following Clusters in Europe

    The first U.S. case this year of a rare and potentially fatal virus known as monkeypox has been diagnosed in a man in Massachusetts who recently traveled to Canada, the U.S. Centers for Disease Control and Prevention announced Wednesday.

    The illness does occasionally arise in the United States, but the Massach...

    More Cases of Monkeypox Emerge in Portugal as Outbreak Widens

    After four new cases of typically rare monkeypox infection were spotted in Britain earlier this week, the illness has now been confirmed in five young men in Portugal and 15 other suspected cases are being investigated, health officials in that country said Wednesday.

    The patients in the confirmed cases have s...

    Rare Cases of Monkeypox Diagnosed in Britain

    Four men in England have been infected with a "rare and unusual" monkeypox virus.

    Investigators from the United Kingdom's Health Security Agency are investigating the cases and whether there is any connection between the men, according to the Associated Press.

    None of the individuals had travel...

    Smell, Taste Loss Less Likely With Newer COVID Variants: Study

    Since the early days of the pandemic, loss of smell and taste have been tied to COVID-19 infection. But a new study shows those telltale traits are much less likely with the Omicron variant than the earlier Alpha and Delta versions of the coronavirus.

    The findings are significant in dete...

    Today's Seasonal Flu May Descend From 1918 Pandemic Strain

    Today's H1N1 flu -- commonly known as the swine flu — appears to be a direct descendent of the influenza virus that caused the catastrophic 1918 pandemic, a new analysis shows.

    Genetic data drawn from 1918 flu samples recently discovered in Germany suggests that all genomic segments of the seasonal H1N1 flu could b...

    Could a COVID Infection Help You Ward Off the Common Cold?

    If you get infected with COVID-19, there may be a sliver of a silver lining: COVID may help protect you against the common cold, researchers say.

    The SARS-CoV-2 virus that causes COVID-19 belongs to a large and diverse family of coronaviruses that include common cold viruses.

    Because viruses in this f...

    Hope for 1st Vaccine Against Virus Driving 'Mono,' Cancers and Maybe MS

    Two experimental vaccines show promise in protecting against infection with the "mono" virus, which also causes cancer and has been implicated as a potential trigger of multiple sclerosis, a new paper reports.

    Tested only in animals so far, the vaccines block two pathways by which the Epstein-Barr virus (EBV) ta...

    City Rats May Not Pose Big Pandemic Threat

    Despite what you may have heard, rats and other city wildlife aren't likely to trigger future pandemics in people, according to a new study.

    The COVID-19 pandemic has scientists trying to determine where future outbreaks are most likely to start. It's long been suspected that critters in cities might act as reservoirs for viruses that could cause outbreaks in humans.

    An internationa...

    Study Tracks Course of COVID Infection, Transmission in Individual Patients

    So-called "superspreaders" aren't necessarily carelessly mixing with throngs of people.

    Instead, a new study finds, some people with COVID-19 infections shed the virus for just a few da...

    New Omicron Subvariant Causing COVID-19 Spike in South Africa

    A new Omicron subvariant called BA.4 appears to be driving a sharp rise in COVID-19 cases in South Africa, health experts say.

    The number of daily cases reported by the country has shot up from just a few hundred a few weeks ago to just over 6,000, and the rate of positive tests has jumped from 4% in mid-April to 19% as of Thursday, according to the Associated Press.


    CDC Reports First American With New Bird Flu, Says Risk to Public Low

    The first U.S. case of bird flu in a human has been confirmed in Colorado, federal and state health officials reported Thursday.

    Still, the risk to the general public is low, the U.S Centers for Disease Control and Prevention stressed.

    The patient, a 40-year-old man who was working on a farm with infected poultry as part of a prison work-release program, was largely asymptomatic, re...

    Behavior Differences Led to High COVID Death Rate in U.S. South: Study

    Thousands of COVID-19 deaths in the U.S. South could have been avoided if more people masked, social distanced, kept kids from school and made other behavioral changes to reduce the spread of the virus, researchers say.

    In other words, if they had acted more like folks up North.

    The study authors suggested that if the entire United States had followed the lead of the Northeast in t...

    Patients Hospitalized With COVID Face Similar Risks, Regardless of Variant

    If you're unlucky enough to need hospitalization for COVID-19, it won't really matter which variant you're infected with: The same level of care is required for patients with either Delta or Omicron, a new study reveals.

    This is true even though people infected with the Omicron variant of...

    Fully Vaccinated Woman Infected With Omicron Just 21 Days After Delta Infection

    A fully vaccinated health care worker got COVID-19 twice in less than a month — the shortest known time between infections, Spanish researchers report.

    The 31-year-old was infected with the Omicron variant just 21 days after catching the Delta variant.

    "This case highlights the potential of the Omicron variant to evade the previous immunity acquired either from a natural infection...

    COVID Infection as Protective as Vaccines, Study Finds

    A prior COVID-19 infection may provide unvaccinated adults with as much immunity against reinfection as the Pfizer-BioNTech or Moderna mRNA vaccines, new research suggests.

    However, the study was conducted before the surge of the highly transmissible Omicron variant.

    "We found that...

    CDC Launches Forecasting Center for Infectious Diseases

    A new forecasting center for infectious diseases was officially launched by the U.S. Centers for Disease Control and Prevention on Tuesday.

    The goal of the Center for Forecasting and Outbreak Analytics is to act as a "National Weather Service" for infectious disease outbreaks, and to guide public health decisions during outbreaks. These can include developing vaccines, distributing antivi...

    An Expert Offers Tips on Long COVID Care

    If you're one of the many people with long COVID, an expert offers advice on how to tackle it.

    The first step: Give yourself time to recover.

    "One thing we have seen repeatedly is that patients push themselves too hard while trying to recover. ...

    New Drug Halves Death Rate in Those With Severe COVID, Maker Claims

    An experimental medication for critically ill COVID-19 patients appears to work so well that the drug's maker announced Monday it has stopped its clinical trial early and will apply for emergency use authorization.

    The medication, sabizabulin, halved the death rate in COVID-19 patients who...

    Rising COVID-19 Cases in U.S. Not Yet Cause for Alarm: Fauci

    Rising numbers of coronavirus infections in the United States are not surprising and not yet a cause for alarm, Dr. Anthony Fauci, the nation's top infectious doctor, said Sunday.

    There are an average of 31,000 new cases a day nationwide, a 3% increase from two weeks ago, according to a New York Times database. However, some areas have had much larger increases, including New Yor...

    New White House Website Speeds Access to Free COVID Care

    The Biden administration announced Wednesday that it has launched a new website that includes help for people trying to find free COVID prevention and treatment quickly. will bring into one place several types of critical COVID-19 information, from finding high-quality masks to testing requirements for international travel.

    ‘Deltacron’ Variant Rare and Not a Major Concern

    A recently identified hybrid of the Omicron and Delta coronavirus variants is unlikely to become a serious threat, scientists say.

    The new hybrid, first found in samples collected in France in January, is formally called the AY.4/BA.1 recombinant but has been nicknamed Deltacron by some.

    Thirty-three samples of the new variant have been found in France, eight in Denmark, one in Germ...

    COVID Meds Appear to Work Against BA.2 Omicron Variant

    A number of COVID medications have proven their mettle against the "stealth" BA.2 Omicron variant in lab tests, but it's not clear how effective they would be in real-world use, researchers report.

    Some evidence suggests that BA.2 can spread more quickly than the alr...

    Pfizer Begins Trial of COVID Drug Paxlovid in Kids 6 to 17

    Pfizer Inc. announced Tuesday that it has launched a Phase 2/3 clinical trial of its COVID antiviral pill known as Paxlovid in children ages 6-17.

    A news release from the company said the trial will assess the safety and efficacy of the drug in c...

    Epstein-Barr Virus: It Causes Mono and Maybe MS. Is a Vaccine Near?

    The mononucleosis virus, Epstein-Barr, has become a major suspect in the search for what causes multiple sclerosis.

    Now researchers are raising the next logical question -- can we stop both MS and mononucleosis by preventing Epstein-Barr infections, which occur in 95% of adults?

    Epstein-Barr vaccines currently under development by the U.S. National Institutes of Health (NIH...

    Omicron Hits Younger People, But Less Likely to Bring Long Hospital Stays

    Omicron COVID-19 patients are younger and have more breakthrough infections, a new study finds. But people infected with Omicron are also less likely to be hospitalized or need intensive respiratory support than those who'd gotten the earlier Alpha and Delta variants.

    The researchers examined data on patients at Houston Methodist hospital, where by the start of 2022,

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  • February 7, 2022
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  • Seasonal Flu Shots Give Kids Broader Protection Against New Strains

    A new study finds that kids who have received years of seasonal flu shots have antibodies that provide wider protection against new influenza strains, something researchers say doesn't happen in adults.

    These findings could help efforts to develop a universal flu vaccine for children. That would be significant, according to the authors of the

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  • February 7, 2022
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  • Drills Key to Making Dental Appointments COVID-Safe

    The type of drill your dentist uses just might determine your chances of catching COVID-19 while in the chair.

    So claims new research that suggests dentists can significantly improve patient safety during the pandemic by switching the type of drill they use.

    British researchers used a harmless virus s...

    CDC Turns to Wastewater Data to Track COVID's Spread

    It's less enchanting than reading tea leaves, but federal health officials announced Friday that they are expanding nationwide efforts to track COVID-19 by monitoring virus levels found in raw sewage.

    The U.S. Centers for Disease Control and Prevention expects to add an additional 250 surveillance sites over the next few weeks to a list of more than 400 places that already regularly test ...

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