April Newsletter
April, 2021
Welcome to the April newsletter. This newsletter aims to provide information and analysis of timely topics from recent articles published in the medical literature. I hope you find this information useful and helpful in your health journey. If you have comments or questions, please let us know!

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Here in Wisconsin, over 4.6 million vaccinations have been given and over 35% of the population is fully vaccinated. All people over age 16 are eligible for vaccination. When you have a chance to get vaccinated, I highly recommend it. Despite the doom and gloom our media and some leaders are projecting, there is light at the end of the tunnel. 
 
If you are feeling sick or concerned about symptoms, please call me first. We can discuss your symptoms and decide the best course of action for you, including testing.
"Healthy" Processed Foods
Ultra-processed food make up over half of the calories in the average American diet. What are ultra-processed foods? How dangerous are they for you and which foods are the ones to avoid? The first study followed subjects for 18 years to give us some answers.

Protection From Reinfection
If we contract COVID, are we protected from reinfection? What are the chances we will contract COVID for a second time? If we have protection, how long does it last? Should previously infected people get vaccinated? We have gotten a lot of mixed messages throughout the pandemic. This study looked at how much protection having a previous COVID infection provides and gives us an idea how long the immunity may last.
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Vaccine Effectiveness
How effective are the vaccines against COVID-19? We have seen the numbers from the pharmaceutical company studies but what does real-world experience show us? This study was done in California based health care workers who were vaccinated and then underwent routine screening PCR testing over several months. Spoiler alert: really effective.
To Your Health...
Thank you for taking the time to read through this newsletter. We hope you have found this information useful. Feel free to pass this on to anyone you think would benefit from this newsletter.

Mark Niedfeldt, M.D.


Old-fashioned medicine with 21st Century convenience and technology