Emerging Infectious Disease ISSN: 1080-6059
Volume 16, Number 1—January 2010
Letter
Detection of Newly Described Astrovirus MLB1 in Stool Samples from Children
Figure

Figure. Neighbor-joining tree based on partial sequences of open reading frame 1a protein of human and animal astroviruses. Amino acid sequences of the Mexican M3363 strain (arrow) were obtained from Walter (4); other sequences were obtained from GenBank. Bootstrap values >90 are indicated. Scale bar is proportional to genetic distance and indicates nucleotide substitutions per site.
Lessons from the History of Quarantine, from Plague to Influenza A
Length: 23:11





