"Reason no 18493829340 why you shouldn’t vaccinate pregnant women with a substance that hasn’t been through robust trials. Reason no 18493829341 why you don’t say “well a few pregnant women have had it and they seem ok, so every pregnant woman should have it”. A concerning new pre-print from the Microbiology department at the University of Alabama and published in Cell, looked at the skewed fate and haematopoiesis of CD34+ HSPCs in Umbilical Cord Blood Amid the COVID-19 Pandemic. Umbilical cord blood is highly enriched with hematopoietic stem progenitor cells (HSPCs) as identified by the surface expression of CD34 molecules. These are essential for the maintenance of the bone marrow and blood systems. HSPCs have been widely used for various therapeutic and research purposes such as bone marrow transplants. HSPCs are also responsible for repairing damage to the body and producing blood and immune cells. They can respond to infection and inflammation and therefore fine-tune the innate immune response. To put it simply, these stem cells are extremely important and play a crucial role in the development of a baby’s immune system. The study looked at both natural infection with Covid and the immune response induced through mRNA vaccination. Whilst natural infection with SARS-CoV-2 also decreased HSPCs, they found the results after vaccination were far worse."
