TheVoiceOfJoyce. More biological platforms should exist on a Global scale. The Collaboration between AstraZeneca & Sputnik V is a first. Collaboration among scientists to develop an effective vaccine for global distribution is a necessity. Covid 19 is infecting our Planet today. We have no idea when the next Pandemic will occur. Like our worsening weather, Pandemics will no longer be once in a Century. Also, all 7 billion of us must be vaccinated against Covid to stop outbreaks. Let’s develop the most efficacious vaccine & a single dose , would be most desirable. Good luck!

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