Commentary: Measles in the U.S.: Should we worry? via PaulPauwaert
, which, unfortunately, has led to millions of chickens being culled in Nebraska over this past week?
The reason I thought this was an interesting intersection is that at the turn of the 19th to the 20th century, an Austrian pediatrician and scientist by the name offor a couple of things. One was for coining the word"allergy" to explain hypersensitivity to horse serum and similar instances. He also laid the foundation for tuberculin as part of the Mantoux test, otherwise now known as the purified protein derivative skin testing for TB.
many decades later — and that this was the first instance of an immunosuppressive virus long before HIV. Although there was a successful, attenuated measles vaccine that had become a component of MMR that was 97% effective after two doses, and even though measles was vastly reduced in the United States, it remained a significant problem in Africa and countries of low resources, with infants and young children dying after measles, especially after postinfectious illnesses such as pneumonia.
Many of you are already aware that you need more than approximately 95% compliance to really achieve effective herd immunity. That had been the case — or nearly so — in the United States for quite a while.
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