Why Viral Infections Hit Hard After The Pandemic

June 7, 2022
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Research Spotlight

Once the pandemic ended and life slowly got back to normal, we gradually re-engaged with previous activities. Children went back to school. Many work from home policies were reversed. We resumed eating-out and attending large gatherings.

We encountered fewer viruses due to less human contact and better hand washing efforts. As we emerged from home confinement and mask mandates, viral infections reared their ugly head. These include the respiratory viruses like the common cold and flu, as well as bronchitis and RSV (respiratory syncytial virus).

Overall, viral infections were greatly reduced in 2020 compared to other years. For example:

  • Bronchitis was nearly eliminated during social distancing measures, with a 98% reduction in cases! 
  • Cold and flu medication demands were reduced by nearly 50% comparing December sales in 2020 vs 2019.

Are viral infections worse than before?

These common illnesses may seem more severe than before the pandemic. One reason may be that most of us did not experience routine exposures to viruses in 2020 and early 2021. Immune systems did not get a chance to “see” the typical number of viruses.

Prior infections help immune systems to deal with similar-looking pathogens. Without routine exposures, the immune system may be less prepared than usual to fend off an infection. As a result, we may experience more severe symptoms as our body clears the virus. 

The rapid spread of these respiratory tract viruses and their severe symptoms led some to call them a “super cold.” As an expert in health research, Dr. Mackay explains: “Some of what we may feel are ‘super colds’ might just be normal colds that we’ve simply forgotten to recognize because we had successfully kept them at bay during the pandemic.”

Vulnerable children & viral infections: 

As the world returned to pre-pandemic habits, many young children fell ill. Runny noses and coughing were common symptoms, and viruses spread rapidly in daycares and schools. Much like adults, young children lacked the viral exposures that build a strong immune system, so they were highly susceptible to catching something.

In addition to young children, babies were more susceptible to infections. Pregnant women pass protective antibodies to their fetuses and continue to deliver helpful antibodies to their babies through breastfeeding. Babies born during the pandemic did not have the usual variety of protective antibodies. During the pandemic, mothers were not exposed to many viruses, and as the restrictions were lifted, many newborns and young children contracted viral infections. 

This resurgence of viral infections was especially true of RSV, which infected young children and infants at far higher-than-expected rates across the world. Nearly all young children are exposed to RSV before age 3, but the pandemic restrictions delayed this exposure.

Co-infections of COVID, Influenza or RSV have also been common in children during 2021 and 2022. For instance, more than half of all pediatric hospitalizations in one Texas Children’s Hospital were due these co-infections. 

Signs of illness: 

Although few of us need hospitalization for common viral infections, there are signs that we endured more illness in early 2022. 

Unlike previous years, cold and flu medications were in high demand. Amazon reported record profits in sales of these over-the-counter drugs, and google search trends showed a large uptick in searches related to the symptoms of common colds and flus.

Prolonged symptoms: When to see a doctor?

General guidance is to contact your physician first if you have symptoms that affect your breathing. Symptoms of the common cold may last up to 14 days. Beyond that time point, prolonged symptoms may reflect a sinus infection, bronchitis or a more serious condition.

Symptoms that do not resolve within two weeks may require a visit to your primary care doctor, as some of those symptoms could require specific medications. If you or your child has high fevers or difficulties breathing, seek medical attention. 

As you recover, remember to prioritize self-care. This means a priority on rest, sleep, nutrition and hydration. While this is not always easy, it may reduce the number of days that you are symptomatic and help you return to your activities faster.

Treo Can Help

Our members gain access to many tools for sleep support, mindfulness and guided meditations to help you feel your best. They also have the option of tracking their sleep as well as other habits and working one-on-one with a Wellness Coach if they seek more personalized guidance.

Most members use these on their own quest for relaxation before bed, but many have played them for children or other household members who need a calming audio experience, especially if one is not feeling well.

If you are interested in learning more, please get in touch! Contact us at info@treowellness.com or schedule a demo here!

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As Treo’s Global Wellness Researcher, Karlie uses recent research findings to support healthier daily habits. Karlie earned her doctorate in Neuroscience and Behavior and bachelors in Health and Exercise Science.

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