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Health, 23.06.2019 04:31
In 2009, a flu pandemic was believed to have originated when viral transmission occurred from pig to human, thereby earning the designation, "swine flu." although pigs are thought to have been the breeding ground for the 2009 virus, sequences from bird, pig, and human viruses were all found within this newly identified virus. what is the most likely explanation of why this virus contained sequences from bird, pig, and human viruses? a) the virus was descended from a common ancestor of bird, pig, and human flu viruses.b) the infected individuals happened to be infected with all three virus types.c) related viruses can undergo genetic recombination if the rna genomes mix and match during viral assembly.d) the human was likely infected with various bacterial strains that contained all three rna viruses.
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Health, 23.06.2019 12:30
How you feel when someone is boastful and self absorbed when providing you a professional service? why?
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Health, 23.06.2019 16:00
Katie is in high school. what is the best example of how she can be proactive about her health and wellness
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Hurry. which do many schools provide to overcome barriers to good nutrition and fitness? a guide f...
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