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While it is true that cell lines derived from a fetus aborted in 1970 plays a role in the vaccine development process, the molecules for the vaccine are separated from the resulting cell debris. [72] [73] Several other COVID-19 vaccine candidates use fetal cell lines descended from fetuses aborted between 1972 and 1985. No fetal tissue is ...
According to the U.S. Centers for Disease Control and Prevention, while "any vaccine can cause side effects", [11] most side effects are minor, primarily including sore arms or a mild fever. [11] Unlike most medical interventions vaccines are given to healthy people, where the risk of side effects is not as easily outweighed by the benefit of ...
Pfizer and Moderna are researching possible long-term risks for those who recovered from heart problems after vaccination. Myocarditis after receiving a Covid vaccine is rare. Pfizer and Moderna ...
The safety profile of the vaccine is favorable, with common side effects including injection site pain, fatigue, and headaches. Severe reactions like anaphylaxis are exceedingly rare. Concerns regarding myocarditis, have been identified but are typically mild and manageable. The vaccine's formulation utilizes mRNA technology, encapsulated ...
People under 65 years old recorded more side effects, although the frequency was typically slightly lower than rates after the second dose. For younger people, here are the most common side effects.
Shots will be be available for children from 6 months to 5 years as early as next week. CDC recommends Pfizer, Moderna Covid-19 vaccine for babies and toddlers Skip to main content
Immortalised cell lines are an important research tool offering a stable medium for experiments. These are derived either from tumors, which have developed resistance to cellular senescence, or from stem cells originally taken from aborted fetuses. [10] Fetal cell lines have been used in the manufacture of vaccines since 1930s. [11]
In humans (and perhaps in all placental mammals), the most common form is fetomaternal microchimerism (also known as fetal cell microchimerism or fetal chimerism) whereby cells from a fetus pass through the placenta and establish cell lineages within the mother. Fetal cells have been documented to persist and multiply in the mother for several ...