Maximum Likelihood Method on The Construction of Phylogenetic Tree for Ident...

杨利霞

Maximum Likelihood Method on The Construction of

Phylogenetic Tree for Identification the Spreading of

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SARS Epidemic

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There are several phylogenetic tree construction
methods that can be used to illustrate the spread of disease
. U7 B' f+ e& B* Lepidemics. One of the methods used is probability-based
% t' {( s0 U' {9 K: U+ B! X# Zmaximum likelihood. This paper explains how to identify the
spread of the SARS epidemic in the world using the formation of
phylogenetic trees using the maximum likelihood method. The
2 E8 W9 t4 |/ }/ R. {output obtained was a description of the spread of SARS virus
with the selection of tree candidates after performing a heuristic
5 i- b# Y. V- S/ y. {search of the Stepwise Addition method. The result of the research
showed that the closest distance to the palm civet is GZ 02/18/03
; ?) e6 s8 b9 ^/ _indicating that the initial spread of the SARS epidemic started
from Guangzhou.
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