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Maximum Likelihood Method on The Construction of
7 w8 E! o4 Y b, F& b3 o) t/ YPhylogenetic Tree for Identification the Spreading of & [6 q- C5 }, R9 G* R+ F9 h1 \, D
SARS Epidemic
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There are several phylogenetic tree construction
( [+ @; R- i t" j$ k& Bmethods that can be used to illustrate the spread of disease
! w: R) B2 E) _& j) {5 @epidemics. One of the methods used is probability-based 5 R& y4 `8 B7 y
maximum likelihood. This paper explains how to identify the
3 S( k( B2 O% M- [$ `spread of the SARS epidemic in the world using the formation of
' N! g; C6 O8 C* @phylogenetic trees using the maximum likelihood method. The
$ h/ r# d% u% h" {output obtained was a description of the spread of SARS virus
! ^: `+ k, V3 L* j3 @; B6 l7 Pwith the selection of tree candidates after performing a heuristic
, h1 x: Y) D! G6 N& }3 rsearch of the Stepwise Addition method. The result of the research , S# x. A) a5 L7 P: W: Q
showed that the closest distance to the palm civet is GZ 02/18/03
5 R# w N. E- h$ p) }% aindicating that the initial spread of the SARS epidemic started , o2 V4 W& _; v# k8 A' ~+ {
from Guangzhou. ' U' m6 n |% H/ y# Y) V, c+ R0 U
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