Doctors say skepticism about Covid may encourage a “worrying” rise in wider emotion against vax

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Protesters on January 5, 2022, are protesting against mandates to vaccinate against Covid in front of the state capital of New York, Albany, New York.

Mike Segar Reuters

Skepticism about Covid-19 vaccines could spur a “worrying” rise in the wider anti-wax mood, doctors say.

Professor Liam Smeeth, a doctor and director of the London School of Hygiene and Tropical Medicine, told CNBC he was concerned that hesitation about the Covid vaccine was “sneaking” into emotions towards other vaccines.

“It worries me that people think,‘ Oh, well, maybe the measles vaccine isn’t great either, and maybe these other vaccines aren’t great, ’” Smeeth said in a phone call. “And we don’t need to see a big drop in measles vaccine coverage in the UK to get measles outbreaks.”

He noted that there were outbreaks of the disease when vaccination rates in the UK fell in the 1990s and early 2000s.

In the late 1990s, claims that vaccines cause autism “turned tens of thousands of parents around the world against measles, mumps and rubella vaccines,” the medical journal The Lancet reports. In 2010, the magazine withdrew 12 year old article linking vaccines to autism and studies have proven vaccines do not cause autism spectrum disorders.

‘Glass full axis’

London-based Smeeth said measles vaccination rates only need to be reduced by just under 90% for the disease to become a problem.

Measles is a highly contagious, serious viral disease that can cause complications such as pneumonia and inflammation of the brain. Prior to the widespread use of the measles vaccine, major epidemics broke out about every two to three years, and the disease caused about 2.6 million deaths each year, according to WHO estimates.

In the UK, 90.3% of two-year-olds were vaccinated against measles, mumps and rubella last year. The previous year, 90.6% of children of the same age were vaccinated.

According to the World Bank, 90% of children in the United States were vaccinated against measles by the age of two in 2019, down 2 percentage points from the year before. No more recent data is available for the United States.

Between 1988 and 1992, that number fell from 98% to 83% in the U.S. and remained below 90% for four years. In the United Kingdom, the measles vaccination rate for two-year-olds fell below 90% in the late 1990s and did not recover until 2011.

“Measles is like a jar of jam, full of wasps raging to get out,” Smeeth warned. “As soon as vaccine coverage falls, measles will reappear. It’s a concern to [Covid anti-vax sentiment] and this recess of trust spills over into other vaccines. That’s a serious concern. “

“Destructive” changes

Gretchen LaSalle, a physician and clinical assistant professor at Elson S. Floyd School of Medicine at Washington State University, told CNBC that the politicization of Covid and his vaccines and the lack of understanding of vaccine ingredients and public health had “devastating” effects.

In 2020, LaSalle completed the American Academy of Family Physicians Vaccine Science Fellowship. As part of the program, she helped conduct a survey of more than 2,200 people, monitoring their attitudes toward immunization.

Vaccines against Covid were first used in December 2020 in the United States.

“When we survived the Covid-19 pandemic and saw the devastating effects on lives and survival with our own eyes, our theory was to remind people of the vital importance of vaccination and that their confidence will increase,” LaSalle told CNBC. Email address.

But 20% of respondents told LaSalle that they had become less confident in vaccines during the pandemic.

“This reduction is worrying,” LaSalle said. “For diseases such as measles, which require a very high percentage of the population (usually around 95%) to be immune in order to limit the spread, reducing the vaccination rate by as much as 5 to 10% could be devastating.”

LaSalle told CNBC that several factors contributed to the loss of public confidence in vaccines.

“Even before the pandemic, hesitation about vaccination had increased and we have seen a return of deadly diseases around the world,” she said.

“The spread of the internet and social media as channels where people get their news and information, and the spread of misinformation online, have absolutely contributed to the problem.”

She added that because people in the developed world rarely witness the devastating effects of vaccine-preventable diseases, some do not see the threat of the disease as real – and now fear vaccination more than the disease itself.

Breakthrough examples

However, Vivek Cherian, a Chicago-based internal medicine practitioner, told CNBC he had not noticed that people’s views on non-Covid vaccines were changing through the pandemic – although he said he could understand why some people on vaccines in general may be “dirty.”

“If they got the Covid vaccine and maybe even stepped up and still got a breakthrough infection in the end, their immediate response might be ‘what’s the point if I’m done with the infection anyway? What’s the point of getting other vaccines?'” He said. e-mail.

“When that happens, I tell my patients that even though they may still have an infection, it could be much worse if [were unvaccinated] – and the vast majority of data say that your chances of hospitalization and death are significantly reduced if you are vaccinated and strengthened. “

Cherian said it is important to keep in mind that this is not unique to Covid vaccines: no vaccine is 100% effective.

“Just think of an annual flu vaccine,” he said. “I got vaccinated against the flu a few years ago and ended up getting the flu anyway, but that never (shouldn’t) have deterred me from getting the flu vaccine every year.”

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