Researchers Are Hatching a Low-Cost Covid-19 Vaccine April 5, 2021 Auto Bot antibodies, Biology and Biochemistry, Brazil, Clinical Trials, Coronavirus (2019-nCoV), Factories and Manufacturing, Gates, Bill and Melinda, Foundation, Immune System, McLellan, Jason (Researcher), Moderna Inc, Thailand, Vaccination and Immunization, Vietnam, your-feed-health, your-feed-science 0 A new formulation entering clinical trials in Brazil, Mexico, Thailand and Vietnam could change how the world fights the pandemic.