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But negotiations for more funding are caught up in the stalemate between Democrats and the Trump administration over a coronavirus stimulus bill. Health authorities must tackle the unprecedented cold storage requirements of Pfizer's vaccine. It needs to be stored at -94 C (-137.2 F), a temperature met only by the coldest deep freezers. Pharmacies don't have freezers that cold. Only large medical centers, universities and perhaps some public health departments have such deep freezers, and the storage requirements could hinder distribution, particularly in rural areas.
But distributors and producers have frequently bemoaned the difficulty of understanding the fast-moving audience trends in China. Factors affecting the box office can vary from geographical differences to the impact of ubiquitous social media.
But other studies on brand awareness seem to echo Ries' judgement. While revenue that Chinese brands gain from overseas has increased significantly over the past five years, Western consumers' awareness of and familiarity with them remain relatively low, according to a research report from consultancy Kantar Millward Brown.
But Landsburgh expects business to pick up this year and anticipates increased productivity in the years to come.
But scientists, researchers, drug regulatory bodies and epidemiologists-including Dr Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases and member of the White House coronavirus task force-disagree. They have raised a caution flag: They must first undergo rigorous scientific testing before use.
来源：资阳报