Covid-19 roundup: As­traZeneca hits vac­cine dis­tri­b­u­tion snag in Thai­land; Chi­na com­pletes ex­pert re­view of BioN­Tech's mR­NA vac­cine — re­port 

As­traZeneca has re­port­ed­ly run in­to more vac­cine dis­tri­b­u­tion prob­lems, this time in Thai­land.

The drug­mak­er has asked Thai­land for a five-month ex­ten­sion of its time­line …

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