Any drug or vaccine that is mass-produced must first go through a stage in the laboratory, and after the initial stages are completed, the test is performed on animals, and after receiving a positive result, further research is performed on a small number of humans.
Introduction to the method of making Corona virus vaccine by two big companies “BIONTECH” and “PFIZER”R”
today we have a new update about development of Covid-19 vaccines. scientific minds around the world look to provide an end to the current coronavirus pandemic. We are waiting for FDA approval for pizer and biontech vaccine
Throughout this pandemic, you've likely heard terms like Phase 1-2a trial and FDA approval, but what do these really mean—and at what point do they happen? A vaccine would allow the body to safely develop an immune response to COVID-19 that could prevent or control infection. it takes time to develop safe and effective vaccines – usually five to ten years on average. Despite promising reports about potential coronavirus vaccines being developed worldwide, it could take an estimated 12-18 months to develop one.