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during this period, certain types of emissions have been observed in China that have been reduced by up to 90%, such as nitrogen dioxide (NO2).
but surprisingly, during the blockade, there was also severe smog pollution in northern China.
5.Science: Antibody combinations targeting SARS-CoV-2 prickly proteins prevent escape mutations that are rapidly produced during single antibody therapy doi:10.1126/science.abd0831 Scientists recently used genetically humanized mice and B cells from recovery patients to produce a very large collection of highly powerful all-human and antibodies that target the SARS-CoV-2 S protein's binding domain (RBD).
the expected goal of producing this very large set is to filter pairs that can bind to S proteins at the same time.