Health
History Isn’t Entirely Repeating Itself in Covid’s Aftermath
Five years after Covid-19 shut down activities all over the world, medical historians sometimes struggle to place the pandemic in context.
What, they are asking, should this ongoing viral threat be compared with?
Is Covid like the 1918 flu, terrifying when it was raging but soon relegated to the status of a long-ago nightmare?
Is it like polio, vanquished but leaving in its wake an injured but mostly unseen group of people who suffer long-term health consequences?
Or is it unique in the way it has spawned a widespread rejection of public health advice and science itself, attitudes that some fear may come to haunt the nation when the next major illness arises?
Some historians say it is all of the above, which makes Covid stand out in the annals of pandemics.
In many ways, historians say, the Covid pandemic — which the World Health Organization declared on March 11, 2020 — reminds them of the 1918 flu. Both were terrifying, killing substantial percentages of the population, unlike, say, polio or Ebola or H.I.V., terrible as those illnesses were.
The 1918 flu killed 675,000 people out of a U.S. population of 103 million, or 65 out of every 10,000. Covid has so far killed about 1,135,000 Americans out of a population of 331.5 million, or 34 out of every 10,000.
Both pandemics dominated the news every day while they raged. And both were relegated to the back of most people’s minds as the numbers of infections and deaths fell.
J. Alexander Navarro, a medical historian at the University of Michigan, said that in the fall of 1918, when the nation was in the throes of the deadliest wave of the 1918 flu, “newspapers were chock-full of stories about influenza, detailing daily case tallies, death tolls, edicts and recommendations issued by officials.”
During the next year, the virus receded. And so did the nation’s attention.
There were no memorials for flu victims, no annual days of remembrance.
“The nation simply moved on,” Dr. Navarro said.
Much the same thing happened with Covid, historians say, although it took longer for the virus’s harshest effects to recede.
Most people live as though the threat is gone, with deaths a tiny fraction of what they once were.
In the week of Feb. 15, 273 Americans died of Covid. In the last week of 2021, 10,476 Americans died from Covid.
Interest in the Covid vaccine has plummeted, too. Now just “a measly 23 percent of adults” have gotten the updated vaccine, Dr. Navarro noted.
Remnants of Covid remain — lasting financial effects, lags in educational achievement, casual dress, Zoom meetings, a desire to work from home. But few think of Covid as they go about their daily lives.
Dora Vargha, a medical historian at the University of Exeter, noted that there had been no ongoing widespread effort to memorialize Covid deaths. Instead, with Covid, “people disappeared into hospitals and never came out.”
Now it is only their friends and families who remember.
Dr. Vargha called that response understandable. People, she said, do not want to be “dragged back” into memories of those Covid years.
But some, like those suffering from long Covid, can’t forget. In that sense, she sees parallels with other pandemics that, unlike the 1918 flu, left a swath of people who were permanently affected.
People who contracted paralytic polio in the 1950s described themselves to Dr. Vargha as “the dinosaurs,” reminders of the time before the vaccine, when the virus was killing or paralyzing children.
Every pandemic has its dinosaurs, she said. They are the Zika babies living with microcephaly. They are the people, often at the margins of society, who develop AIDS.They are the people who contract tuberculosis.
But despite the pleas from those who cannot forget Covid and who seek more research, more empathy, more attention, the more pervasive attitude is, “We don’t need to care anymore,” said Mary Fissell, a historian at Johns Hopkins University.
That sounds so callous, and yet, said Dr. Barron Lerner, a historian at NYU Langone Health, in the world of public health “there are always people who are left behind — damaged or still at risk.”
“It’s hurtful” for people to be shunted aside, Dr. Lerner said. “Their lives are altered. The attention you feel their situation warrants is downplayed.”
But, he added, “on a realistic basis, there are any number of things to study.” Resources are limited, he noted, adding, “it can make sense to move on.”
One aspect of the Covid pandemic, though, is still with the nation, and seems to be part of a new reality: It has markedly changed attitudes toward public health.
Kyle Harper, a historian at the University of Oklahoma, said he would give the biomedical response to Covid an A-plus. “The rollout of vaccines was incredible,” he said.
But, he said, “I would give the social response a C-minus.”
Dr. Lerner had the same thought.
Few medical experts, he said, expected so much resistance to measures like masks, quarantines, social distancing and — when they became available — vaccines and vaccine mandates.
With Covid, he said, “compared to other pandemics, the amount of pushback to standard public health practices was remarkable.”
“That sets Covid apart,” he said. Public health measures that had worked in the past were rejected.
Some of the pushback was reasonable, he said, like objections to wearing masks outdoors. But the spurning of public health measures was widespread and politicized.
Dr. Navarro agreed and said the contrast with 1918 was striking.
“In 1918, there was an abiding respect for science and medicine that seems lacking today,” he said. There were pockets of resistance to measures like masking and avoiding large groups. But for the most part, he said, people complied with public health advice. And compliance was divorced from politics.
World War I also played a role in the messaging, Dr. Navarro said, which may have bolstered adherence.
“Public health orders and recommendations often purposely used the same language that was used to drum up support for the war effort,” Dr. Navarro said. The authorities, for example, asked people “to cover their coughs and sneezes so as not to gas their fellow citizens as the doughboys were being gassed by the Germans.”
Dr. Lerner contrasted the Covid response to the response to the polio vaccine.
The polio vaccine underwent preliminary testing, and then widespread testing, in the 1950s, with broad public acceptance.
With Covid, “faith in the scientific process got lost,” Dr. Lerner said.
That does not bode well for the next pandemic, Dr. Harper said.
“There’s going to be another pandemic,” he said. “And if we have to fight it without public trust, that’s the worst possible response.”
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As snow blanketed parts of the U.S. this week, heart health experts have shared warnings of the physical strain shoveling can take — particularly for older adults.
A 2025 Mayo Clinic review found that just 10 minutes of heavy snow shoveling can push the heart to about 97% of its maximum rate. Exposure to cold air was also found to increase blood pressure and reduce coronary blood flow.
While there isn’t an official age that’s “too old” to shovel, some cardiologists recommend that individuals over 45 should exercise more caution to lower their chances of a cardiac event.
When to take caution
“While there’s no strict age cutoff, generally above the age of mid 40s and above, we tend to be a little more cautious — particularly in people who are less active [without] regular exercise,” Dr. Navjot Kaur Sobti, M.D., an interventional cardiologist at Northwell’s Northern Westchester Hospital in Mount Kisco, New York, told Fox News Digital.
Heart health experts have shared warnings of the physical strain shoveling can take — particularly for older adults. (iStock)
“Certainly in people who are above the age of 65 — and who have risk factors for heart disease, such as high blood pressure, high cholesterol, diabetes, obesity or sedentary lifestyle — we recommend being very, very cautious about shoveling snow,” she advised.
Dr. John Osborne, M.D., a practicing Texas cardiologist and volunteer for the American Heart Association, shared similar guidance for people older than 45, especially males over 65.
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“Unless you are in good cardiovascular shape and conditioned, it may be a good idea to ask someone for help,” he said in an interview with Fox News Digital.
The impact of snow removal is especially concerning for those with existing cardiovascular risks and a history of heart attack or stroke, according to the cardiologist. “People with these characteristics and those who have had bypass surgery or coronary angioplasty simply should not be shoveling snow in any conditions,” he said.
Just 10 minutes of heavy snow shoveling can push the heart to about 97% of its maximum rate, a 2025 Mayo Clinic review found. (iStock)
Osbourne said he often sees cardiac episodes in people who are typically sedentary and sit at a computer most of the day with little or no exercise. “Then once or twice a year, they go out and try to shovel the driveway after a heavy snowfall, and that unexpected exertion can unfortunately lead to tragedy.”
Hidden strain
The stress that is placed on one’s heart while shoveling snow is similar to what occurs during a cardiac stress test, Sobti pointed out, and may even exceed it.
Cold temperatures can cause blood vessels to constrict and blood pressure to spike — which, coupled with existing hypertension and the exertion of lifting snow, can significantly tax the heart, she warned.
“It’s almost like an at-risk person is putting themselves through an unsupervised maximal exertion stress test without a cardiologist actively monitoring them,” Sobti told Fox News Digital.
The stress that is placed on one’s heart while shoveling snow is similar to what occurs during a cardiac stress test. (iStock)
In addition to the exertion of shoveling, frigid temperatures can also strain the heart. Recent research has shown that cold exposure accounts for nearly twice as many cardiovascular deaths as heat exposure, including heat exhaustion.
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That study, published in the Annals of Internal Medicine last month, also found that those over age 65 had higher rates of temperature-related deaths.
“So the risk is very, very high,” Sobti cautioned. “It’s really that sudden rise in blood pressure coupled with the physical stress of snow shoveling itself.”
Safer shoveling tips
The cardiologist said it’s ideal to have someone else help with snow removal — but if you do choose to use a shovel, she recommends pacing yourself and using a “pushing or sweeping” motion instead of heavy lifting.
Recent research has shown that cold exposure accounts for nearly twice as many cardiovascular deaths as heat exposure. (iStock)
To protect against the cold, Sobti also recommends covering your mouth, nose and extremities, wearing a hat and gloves, and using extra caution in windy conditions.
Using an automated snow blower can still raise the heart rate — up to 120 beats per minute, compared to 170 while shoveling, the American Heart Association states on its website.
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It is also important to be aware of any symptoms of a potential cardiac issue while shoveling, Sobti emphasized.
If a person starts to experience warning signs such as chest pain, shortness of breath, a racing heart or palpitations, those should not be ignored.
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Even if the symptoms resolve after a few minutes, a person “could still be experiencing symptoms of a heart attack” and should call 911 for evaluation, Sobti said.
“It’s better really to be safe than sorry.”
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More than three-quarters of the global population is falling short on omega-3 intake, a nutrient gap that may increase the risk of heart disease, cognitive decline, inflammation and vision problems.
That’s according to an analysis published in Nutrition Research Reviews, in which researchers from the University of East Anglia, the University of Southampton and Holland & Barrett analyzed omega-3 intake patterns across multiple countries and age groups.
The review found that 76% of people worldwide are not meeting the recommended levels of two omega-3 fats that are essential for heart health: eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA).
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The analysis considered recommendations from global health authorities and assessed how closely populations follow them.
Most adults should aim for at least 250 milligrams of EPA and DHA per day, though actual intake is far lower in many regions, according to the researchers.
A new study found that 76% of people fall short of their recommended omega-3 intake. (iStock)
To explore the health implications of low omega-3 intake, Fox News Digital spoke with Michelle Routhenstein, a New York–based preventive cardiology dietitian at Entirely Nourished.
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Low omega-3 levels can have a noticeable impact on heart health, cognitive function and inflammation throughout the body, the expert confirmed.
Low intake can also increase the risk of heart attacks and sudden cardiac death, she added. It’s also associated with higher triglycerides, irregular heart rhythms and plaque in the arteries.
Most adults should aim for at least 250 milligrams of EPA and DHA per day, researchers say. (iStock)
Inadequate omega-3 levels have also been linked to changes in brain function, including faster cognitive decline, a higher risk of Alzheimer’s disease and increased rates of depression.
Routhenstein noted that low levels may also worsen inflammation in autoimmune conditions such as psoriasis, and can negatively affect eye health, since omega-3s play a key structural role in the retina.
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To improve omega-3 levels, the expert said it’s important to understand how much is needed and where to get it.
“The richest dietary sources of EPA and DHA are oily fish, such as salmon, mackerel, sardines, herring, trout and anchovies,” Routhenstein told Fox News Digital.
Oily fish, such as salmon, are among the richest natural sources of omega-3s. (iStock)
Many people benefit from eating oily fish more frequently, often three to four times per week, Routhenstein noted. For individuals who do not eat fish regularly, supplements can help raise EPA and DHA to healthier levels.
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For those taking omega-3 supplements, dosing should be based on lab results, medications, omega-3 levels and overall medical history, according to Routhenstein. Moderate, quality-controlled supplements are generally considered safe for most people.
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There is also some evidence supporting prescription-strength omega-3 products.
“High-dose EPA, such as 4 grams per day of icosapent ethyl, has been shown to reduce major cardiovascular events in certain high-risk populations, while similar doses of mixed EPA/DHA have not consistently shown the same benefit,” Routhenstein said.
Omega-3 dosing should be individualized based on lab data, medication use, current levels and overall medical history. (iStock)
Testing omega-3 levels can also help determine whether intake is adequate. The omega-3 index, a blood test that measures EPA and DHA in red blood cells, is considered one of the most reliable ways to assess status.
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“Levels around 8% are associated with lower cardiovascular risk, while levels below approximately 4% are considered low,” Routhenstein said.
Understanding baseline levels can help guide more personalized decisions about diet and supplementation.
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Those who are unsure about their omega-3 status or whether supplementation is appropriate should speak with a healthcare provider to determine the best approach.
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As winter weather moves in, cozy essentials like scarves, plush throws and heated bedding become everyday comforts.
But dermatologists caution that these cold-weather favorites can secretly undermine skin health — trapping sweat and bacteria, causing irritation and exposing the skin to excess heat.
Choosing the right materials for wellness — and using them safely — can make a big difference.
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Here are five winter must-haves and gift ideas, with expert tips on how to keep skin healthy and happy while staying warm this season.
Soft scarf, $19.99, Amazon.com
Scarves made of natural fiber, like this one that is 100% cotton, may help if you’re prone to irritation. (Amazon)
A soft scarf is a staple for cold days and an easy way to elevate a winter outfit.
Yet, if breakouts are appearing along the neck, jawline or chest, that favorite accessory may be part of the problem.
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“You should wash your scarf as often as your clothes to prevent breakouts,” Annabelle Taurua, a beauty expert at Fresha, a beauty and wellness booking platform headquartered in London, told Fox News Digital.
Cotton is a better choice than polyester, she also noted, as it’s more breathable and allows sweat to evaporate.
Fluffy blankets, $28.97, Potterybarn.com
Fluffy blankets make for perfect cozy days at home, but their soft fibers can trap sweat, oils and dead skin — which can clog pores and encourage bacteria growth. (Pottery Barn)
Fluffy blankets make for perfect cozy days at home, but their soft fibers can trap sweat, oils and dead skin, which can clog pores and encourage bacteria growth.
Rough textures or infrequent washing can also irritate sensitive skin and worsen breakouts.
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“Regularly wash your blankets, especially those made from synthetic or fluffy materials, to remove built-up oils and dirt,” Taurua advised.
She recommended breathable materials like cotton or linen, as well as hypoallergenic options for anyone prone to irritation.
Good set of sheets, $49.99, Amazon.com
Much like scarves, natural fibers are the way to go for your linens to avoid irritation. (iStock)
Cold weather makes lingering in bed especially tempting, but lying on unwashed bedding can worsen acne.
Pillowcases and sheets quickly collect oil, bacteria and dead skin cells, which transfer directly onto the face.
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“Washing bedding frequently is important,” Taurua said. “You should aim to change and wash your pillowcases every two to three days and your sheets at least once a week.”
Heated blanket, $33.99, Walmart.com
Heated blankets are a great way to stay warm during the winter. (Walmart)
When using a heated blanket, start with the lowest heat setting and limit use, said Taurua.
“Once you’re warm, switch to a regular blanket,” she advised.
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She also said it’s best to avoid direct contact for long periods to reduce irritation.
Hot water bottle, $12.99, Amazon.com
A traditional winter staple, hot water bottles offer quick comfort — but they come with risks similar to heated blankets, including burns, scalding and long-term heat-related skin damage.
Hot water bottles should never be filled with boiling water, experts advise. (Amazon)
“Never fill a hot water bottle with boiling water,” Taurua said.
“Only use hot, not boiling, water, and fill it to a maximum of two-thirds.”
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She recommended wrapping the bottle in a towel or cover to avoid direct skin contact and limiting use to around 20 minutes.
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