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  1. news.cornell.edu

    Cornell immunology experts answered common questions about vaccines during a virtual Q&A-style panel discussion, The Science Behind COVID-19 Vaccines. ... but scientists used prior knowledge to develop safe and effective vaccines in just under a year by simultaneously starting all the necessary steps - including animal testing, two phases of ...
  2. scientificamerican.com

    There is no question that the current vaccines are effective and safe. The risk of severe reaction to a COVID-19 jab, say researchers, is outweighed by the protection it offers against the deadly ...
  3. While all data points to COVID-19 vaccines being both safe and effective, work on monitoring the vaccines continues. The Food and Drug Administration (FDA), CDC, researchers and developers are continuing to gather information about the safety and efficacy of COVID-19 vaccines. "The science is not stopping," Hoffman said.
  4. health.universityofcalifornia.edu

    That's vastly preferable to letting COVID-19, or any other virus, work its way through our cells. How the vaccine developed so quickly With vaccine production vastly sped up by using mRNA as a delivery mechanism, scientists were able to quickly move to clinical and human trials — allowing the COVID vaccines to become the fastest ever ...
  5. Researchers have been working to develop a safe and effective vaccine against SARS-CoV-2, the coronavirus that causes COVID-19. One vaccine candidate, called mRNA-1273, is being developed by researchers at NIH's National Institute of Allergy and Infectious Diseases (NIAID) and the biotech company Moderna, Inc.
  6. pmc.ncbi.nlm.nih.gov

    Conclusions. Most of the COVID-19 vaccines appear to be effective and safe. Double-dose vaccination is recommended. However, more research is needed to investigate the long-term efficacy and safety of the vaccines and the influence of dose, age, and production process on the protective efficacy.
  7. templehealth.org

    The COVID-19 vaccines were developed historically fast — less than 1 year from start to finish! But the fast timeline has raised questions about whether the vaccines are safe and if they were tested long enough. Researcher Glenn Rall, PhD, explains the science.
  8. pmc.ncbi.nlm.nih.gov

    The COVID-19 vaccine has been a miraculous, life-saving advance, offering staggering efficacy in adults, and was developed with astonishing speed. The time from sequencing the virus to authorizing the first COVID-19 vaccine was so brisk even the ...
  9. pmc.ncbi.nlm.nih.gov

    Community‐based studies in five countries show consistent strong benefits from early rollouts of COVID‐19 vaccines. By the beginning of June 2021, almost 11% of the world's population had received at least one dose of a coronavirus disease 2019 (COVID‐19) vaccine. 1 This represents an extraordinary scientific and logistic achievement — in 18 months, researchers, manufacturers and ...
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