Rising Concern Over Rotavirus Infections
In just two days, Ben Lopman’s 18-month-old son transformed from an active toddler to one completely devoid of energy.
Lopman’s child, Ruben, suffered severe dehydration due to rotavirus, which is one of the leading causes of diarrhea and vomiting in young children. His condition deteriorated to the point that he required hospitalization for intravenous fluids to regain his strength and fight the infection.
At the time, Lopman was an infectious disease epidemiologist based in London. This incident took place in 2008, five years prior to the UK approving a vaccine against this highly contagious virus. Thankfully, Ruben managed to recover.
Reflecting on the experience, Lopman remarked, “It was frightening. It also made me realize how serious this illness can be for any child.”
Since January, rotavirus has surged across the U.S., with current infection rates surpassing those of last year. This trend raises alarms among doctors, who worry that declining vaccination rates may lead to increased severity of illness in the future.
This virus spreads through contaminated surfaces and poses a serious threat, historically causing over 200,000 emergency room visits, upwards of 70,000 hospitalizations, and numerous fatalities in the U.S. each year. This was significantly reduced after the introduction of the first oral vaccine two decades ago.
According to WastewaterScan, a collaboration between Stanford University and Emory University, rotavirus levels have been on the rise since January, with specific regions in the U.S., such as the West and Midwest, showing alarming increases.
“We’re detecting high levels of rotavirus in wastewater, which suggests significant infections in those communities,” stated Dr. Marlene Wolfe, WastewaterScan’s program director.
Falling Vaccination Rates
Dr. Stephanie Deleon, who works closely with patients in Oklahoma City, is witnessing this spike firsthand.
As the associate chief medical officer and pediatric hospitalist at Oklahoma Children’s OU Health, she reports a steady rise in children admitted for rotavirus recently, with no indication of a slowdown.
Initial symptoms typically include a fever around 101°F, accompanied by vomiting that subsides quickly, often within a day. However, this is usually followed by relentless diarrhea, sometimes exceeding twenty episodes a day.
Supportive care, primarily fluid intake, is the only management for this virus, meaning families must wait it out as symptoms may last from three to eight days.
Most hospitalized patients are either too young for vaccination, have not completed their vaccination course, or are unvaccinated altogether—an increasing concern nationwide. Current CDC data indicates that only 73.8% of children are vaccinated, a figure that has been steadily declining over the past eight years.
“Unvaccinated children are definitely at an increased risk of severe disease and hospitalization,” Deleon emphasized.
Understanding the Virus
While handwashing and cleanliness can help mitigate the spread, the virus proves to be particularly resilient.
Dr. Yvonne Maldonado, an expert in global health and infectious diseases at Stanford University, noted that the virus can persist on surfaces for extended periods. Thus, even thorough handwashing may not entirely eliminate it.
Rotavirus can affect anyone, but its impact is notably acute in pre-schoolers and younger children, often necessitating hospitalization.
“The challenge with rotavirus is its propensity to cause vomiting,” explained Dr. Paul Offit, the director of the Vaccine Education Center. “Rehydration through oral means becomes very difficult, which explains many hospital visits for intravenous fluids.”
Offit recalled a time when he treated around 400 children annually suffering from severe dehydration due to rotavirus. A particular memory that sticks with him is the tragic case of a previously healthy 9-month-old girl who passed away after a sudden downturn in health.
“I’ll never forget informing her mother of her child’s death,” he recounted, a memory that influenced his later work in developing RotaTeq, one of two approved vaccines for rotavirus.
According to the Centers for Disease Control and Prevention, the vaccines, which start at 2 months of age, prevent 40,000 to 50,000 hospitalizations among infants and young children every year.
Studies indicate that 90% of children receiving the vaccine are safeguarded against severe disease, while 70% avoid infection altogether.
Despite this evidence, changes to the childhood immunization schedule were announced earlier this year by Health and Human Services Secretary Robert F. Kennedy Jr., suggesting the removal of the rotavirus vaccine and advising parents to consult their doctors before vaccination.
“The virus is still out there,” Offit remarked. “Choosing not to vaccinate essentially means opting to risk infection.” While a federal judge recently paused the schedule changes, concerns linger about how this uncertainty may affect new parents’ vaccination decisions for rotavirus.
“These young families are receiving mixed signals,” Maldonado observed. “It leaves them unsure about where to turn for guidance.”
While deaths from rotavirus may not be prevalent in the U.S. due to accessible healthcare, a growing hesitance towards vaccinations could lead to an uptick in severe complications, noted Dr. Monica Gandhi, an infectious disease specialist at UCSF.
“The fear, cost, discomfort, and time off work due to hospitalization are significant,” she said. “Vaccines were developed to prevent illness, not solely to dodge death.”
Lopman, who previously studied rotavirus for the CDC, believes the recent case surge isn’t directly linked to new policy changes. However, he remains concerned that falling vaccination rates could potentially lead to more families facing similar situations to his.
“This is an extraordinary vaccine,” Lopman concluded. “It has been extensively studied for safety, and the benefits are overwhelmingly clear.”
