A drone delivery program in Ghana that drops doses of the Pfizer vaccine against COVID-19 into remote villages may be an important step toward raising immunity to COVID around the world, not just in the wealthy countries.
source https://www.seattletimes.com/business/drones-fly-pfizers-deep-frozen-vaccine-to-africas-remote-villages/?utm_source=RSS&utm_medium=Referral&utm_campaign=RSS_technology
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