With Covid-19 vaccines on the horizon, the planet's poorest must not be trampled as countries scramble to get their hands on them, the World Health Organization said Monday. WHO director-general Tedros Adhanom Ghebreyesus said the latest batch of promising results from final-phase candidate vaccine trials showed there was light at the end of the "long dark tunnel" of the
সম্পূর্ণ আর্টিকেলটি পড়ুন
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