GIAM SAT suf LlfU HANH CUA VIRUS CUM A/H5N1 0 GIA CAM TAI 4 CHU OAU MOi THEN DjA BAN THANH PHO HA NOI Nguyen Huy Ddng Sa Nong nghiep va PTNTHd Noi TOM TAT Ket qua dieu tra hien trang
Trang 1GIAM SAT suf LlfU HANH CUA VIRUS CUM A/H5N1 0 GIA CAM TAI 4 CHU OAU MOi THEN DjA BAN THANH PHO HA NOI
Nguyen Huy Ddng
Sa Nong nghiep va PTNTHd Noi
TOM TAT Ket qua dieu tra hien trang budn ban gia cdm va gidm sat su luu hdnh cua virus cum A/H5N1 tai
4 chp ddu mdi tren dia bdn thdnh ph6 Ha Npi cho thdy:
- Trong s6 4 chp ndi tren, chp Ha Vy Id chp budn ban gia cdm Idn nhdt va ty le gia cdm ngoai tinh dua ve cung nhieu nhdt so vdi 3 cho cdn lai (chp Bde Thdng Long, chp San, chp Chiic Son) Cdng tdc kiem dich va kiem sodt gilt mo da dupc cdc ca quan chiic ndng chii y qudn ly chat che d nhimg chp nay
- O ca 4 chp ty Ie luu hanh virus ciim A trung binh d miic 11,28%, trong do ty le liru hdnh ciia virus ciimA/H5Nl Id 2,54% Diln bien sir luu hanh cua virus ciimAndi chung la dn dinh qua nhifiu nam,
ty 1§ luu hanh cao hem thudng xuat hien tir thang 12 nam trudc den thdng 5 nam sau
- Su luu hdnh cua virus ciim A/H5N1 tai 4 chp la 1,11 % (nam 2009); 0,31 (nam 2012) va 0,17% (trong 6 thang ddu nam 2013), cd mdi lien quan chat che den ngudn g6c gia cam ngoai tinh, ty le tiem phdng vd ty le bao hp ciia gia cam sau tiem phdng
- Su luu hanh cua virus ciim A/H5NI tai 4 chp tap trung vdo cdc thdng 1- 5 trong nam, day id thdi diem luu thdng, ti8u thu gia cam nhieu nhdt (trudc va sau tit NguySn dan) vd Id giao thdi ciia dpt tiem phong vacxin cum A/H5NI dot 1 trong nam
Tir khoa • Virus cum A/H5NI, Su luu hdnh, Ty le tiem phdng, Ty le bdo hp
Surveillance on prevalence of A/H5N1 virus in poultry
at 4 wholesale markets in Hanoi city
Nguyen Huy Dang
SUMMARY
T h e result of survey on situation of poultry trade and surveillance on prevalence of A/H5N1 virus at 4 wholesale markets in Ha Noi city indicated that:
Out of 4 above mentioned markets, Ha Vy market was the largest poultry wholesale market and the rate of poultry at this market coming from the outside of Ha Noi city was also highest Close management on disease Inspection and slaughter control works was paid by the competent authorities at these markets
In all of 4 markets, the average prevalence rate of A influenza virus was 11.28% Of which, the prevalent rale of A/H5N1 virus was 2.54% In general, the development of A influenza virus prevalence was stable in the last many years The highest prevalent rate was usually occurred
in duration from December to May of the next year
The prevalence of A/H5N1 virus at 4 markets was 1.11% (in 2009), 0 3 1 % (in 2012) and 0.17% (in the first 6 months, 2013) having close relation with the origin of poultry coming from,
Trang 2The prevalence of A/H5N1virus at 4 markets concentrated from January to May, that is time for the highest transportation and consumption of poultry (before and after Tet holidays) and the transition time for the first A/H5N1 vaccination in the year
/keywords: A/H5N1 virus Prevalence, Vaccinated rate Protective rate
LDATVANDE
Chan nudi gia cam giii mdt vai trd quan trpng
trong nganh ndng nghiep Viet Nam Nhiing nam
gdn ddy, chdn nudi Id mpt trong nhung nganh
cd budc phdt triln manh, ngdy cang chiem vi tri
quan trpng trong su chuyin dich ca cdu kinh tl,
xod ddi giam ngheo va 1dm gidu trong ndng th6n
Tuy nhien nganh chan nuoi da gap phdi
khdng it kho khan Trong do dich benh la mpt
trong nhiing trd ngai ldn nhdt, dac biet benh
ciim gia cdm Benh ciim gia cam chung ddc
lire cao (HPAI) Id mpt benh truyen nhiem nguy
hiem, co toe dp Idy lan rdt nhanh vai ty Ie gdy
chet cao trong dan gia cdm nhilm, gay thiet hai
nghiem trpng den nen kinh te va siic khoe ciia
con ngudi
Thdnh ph6 Ha Npi co nhu cdu tieu dimg thuc
phdm cd nguon gdc tir dpng vat rdt ldn, tnmg binh
600 - 700 tdn / ngay, trong do ty le thit gia cdm
chiem 30 %, trong khi thdnh phd mdi tu cung cap
dupc 60%, cdn lai nhap tir cdc tinh khac hoac
nhap khdu; gilt md gia cdm chu yeu nhd le trong
khu ddn cu, viec kilm sodt giet md - ve sinh thii
y cdn nhieu han che Viec budn bdn, gifit md gia
cdm khdng ro ngudn gdc, gia cdm nhap ldu vdn
tai dien thudng xuyen Ddy la mdt trong nhiing
nguy8n nhdn lam Idy lan dich bSnh
Trudc tinh hinh tren, lam the nao d l co thi
chu ddng biet dupc nai dang luu hanh dich, ty
Ie luu hdnh va nai dd dang luu hanh chimg gay
benh nao, ddng thdi phdt hien cdc chiing mdi
mpt cdch chinh xdc nhdt Vi vay md chiing tdi
tien hanh thuc hien de tdi: "Gidm sat su luu
hdnh ciia virus ciim A/H5N1 d gia cdm tai 4 chp
ddu mdi tr8n dia ban thanh phd Ha Ndi", vdi
muc dich lam can cii cho ca quan qudn ly dua ra
dupc cac gidi phdp chii ddng phdng chdng dich
cd hieu qua
N NQI DUNG, VAT LIEU VA PHU'ONGPHAP
2.1 Npi dung nghien cuii
- Hien trang budn bdn gia cam d mpt s6 cha ddu m6i tren dia ban thdnh ph6 Ha Npi (chp gia cdm Hd Vy - H.Thudng Tin; chp Bde Thdng Long - H D6ng Anh; chp Chiic Son - H Chuong MJ; chp Sdn - H Thach Thdt)
- Gidm sat su luu hanh cua virus ciim A/ H5N1 tren dan gia cdm tai 4 chp
2.2 Vat lieu va phuvng phap nghi€n cihi
2.2.1 Vat lieu
- Mdu swab gia cdm Idy tir 4 chp ddu moi
buon bdn gia cdm
- Bp Idt phdt hien ciim A/H5N1
2.2.2 Phuffngphdp nghien cau
- Phuang phap dieu tra h6i ciiu vd dieu tra
thuc dia d mdt sd chp ddu mdi tren dia ban thanh pho Hd Npi
- Phuong phap lay mlu: Diing tam b6ng Idy mdu swab tai 4 chp: chp Hd Vy Idy 60 mdu gpp/ thdng; 3 chp cdn lai 12 mdu gpp/thdng Tong cdng 96 mdu swab gdp/thang
- Phucmg phdp Real-time RT-PCR xac dinh sir lim hdnh cua virus cum A/H5N1
III KET QUA NGHIEN CUtJ
VA THAO LUAN
3.1 Hien trang budn bdn gia cam t^i 4 chgr dau m^i
Bdn chp ddu mdi budn bdn gia cam deu nSm tren cdc true giao th6ng, d6ng thdi Id tryc buon
Trang 3Chp gia cam Hd Vy: Chp gia cdm Ha Vy la
chp gia cdm ddu mdi ldn nhdt Ddng Nam A vdi
156 gian kiot tren dien tich 1,62 ha Trong do,
da s6 hp chi bu6n ban mpt loai gia cdm la ga
(81/156 hp) hodc vit (48/156 hp)
C6ng tdc kiem djch, kiem sodt gilt md va
kiem tra ve sinh thii y ciing da dupc thuc hien
nghiem tiic Trudc cdng chp cd chdt kilm dich
lien nganh gom 3 luc lupng: Thii y - Cong an
- Quan ly thi trudng, true 24/24 gid Chdt cd
nhiem vu kiem dich kilm tra nguon g6c gia cdm,
khir triing tieu ddc phuang tien van chuyin,
xu Iy gia cam khdng ro ngudn g6c va gia cdm
khdng cd gidy chiing nhdn kiem dich, kiem soat
giet md tai 20 hd giet md gia cam trong chp (cdn
bd thii y kiem tra va ddng ddu vao thdn thit gia
cdm giet md)
Chp Bac Thang Long cd dien tich 30.000 m-,
trong do dien dch sii dung la 12.000 m^ s6 hp
kinh doanh gia cam sdng la 40 hp; s6 hp kinh doanh gia cdm da gilt md la 20 hd Gia cdm dua vao chp cd ngudn g6c chu yeu Id tu huyen D6ng Anh va Soc San cua thanh ph6 Hd Npi va tir cdc tinh Thdi Nguyen, Vmh Phuc, Bde Giang Gia cdm bu6n bdn tai chp cung dupc kiem tra bdi can bd ciia Tram thii y
Chp Thi trdn Chiic San vd chp San la nhung chp hoat ddng mang tinh chat cung edp hdng hda cho ngudi dan dia phuang la chinh Cha hoat dpng theo phien, khu vuc bu6n ban gia cam chua dupc quy hoach each ly vdi cac khu vuc khdc Gia cam budn ban tai chp phan Idn do cac
hp chan nudi tren dia bdn huyen cung cap Gia cdm budn ban tai chp ciing dupc kiem tra bdi cdn bd ciia Tram thii y
Tinh hinh budn ban gia cam d 4 chp ddu m6i dupc th6ng ke d bang 1 va bang 2
Bang 1 So lu'o'ng gia cam buon ban moi ngay tai 4 chp' dau moi
Nam
2008
2009
2010
2011
2012
Tong
Ch? H^ Vy
65.000
76.000
81.000
15.000
17.000
254.000
Bac Thang Long 2.500 2.500 2.500 3.000 3.200 13.700
Chp* San
500
500
600
600
650 2.850
Ch<?' Chuc Sen
400
450
500
500
500 2.350
Tbinh 17.100 19.863 21.150 4.775
5 338 68.225
Bang 2 Nguon goe gia cam ban tgi 4 cha dau moi
Nguon
Ngi tinh
Ngogi tinh
Chy H4 V f
Con
152.400
101.600
%
60
40
Bac Thang Long Con 10.960 2.740
%
80
20
Chp- San
Con
2.565
285
%
90
10
Cho Chuc Son
Con
2232
118
%
90
5
Tbinh
Con
55.433 12.792
%
81.25 18.75
Thdng ke tinh hinh budn bdn gia cdm tai 4
chp ddu mdi cho thay, hang ngdy cd 13.645 (sd
trung binh qua 5 ndm d bdng 1) gia cam luu
thdng tai 4 chp ddu mdi, trong do cd 81,25% ga
cd ngudn gdc tgi Ha Npi vd 18,75% cd ngudn
gia cdm bu6n ban mdi ngay rat Idn, cao diem nam 2011 len tdi 81.000 con/ ngdy, ddng thdi gia cam tir ngoai tinh dua ve chp chiem den 40% (trong sd do khdng loai trir cd ca gia cam tir bien gidi) Vi vay, nguy ca gia cam mang mdm
Trang 43.2 Kit qud gidm sdt virus cum A/H5N1 tai 4
ch? aiu m6i nSm 2009-2013
Dupc su hd trp ciia Dg an VAHIP - Bp Ndng
D ^ e p va Phat triln Ndng thon, chiing toi da
giam sat virus cum gia cam thudng xuyen tren
dia ban thdnh pbd Ha Npi tii nam 2009 din nay Hang thdng, can bp thu y thuc bi$n vi?c Idy mdu giam sat tai moi chp mdt ldn Kit qud gidm sdt giai doan 2009 - 2013 duac trinh bay d bang 3
va hinh 1
Bang 3 K e t qua g i a m sat virus c u m A / H 5 N 1 4 cho' d a u m o i
Nam
2009
2010
2011
2012
2013
T6ng
S6 m i u XN
m
450
1056
96
960
576
3138
Dipomg tinh cum A (gene M)
(nl)*
16
141
10
123
65
355
Tyl^%
3,56 13,35 10,42 12,81 11,28
11,31
Dvong tinh
HS (gene HS)
CD*
5
0
0
3
1
9
7 y ; e %
1,11 0,00 0,00 0,31 0,17
0,29
Ty le HS/A (n2/n1) %
31,25 0,00 0,00 2,44 1,54
2.54
Ghi chu
Djch*
Thang 2
Binth^ng 6
Ty ie (%
Nam 2009 2010 2011 2012 2013
Trang 5Ket qua d bang tren cho thdy: Trong tdng sd
3138 mau xet nghiem giai doan 2009 - 2013,
cd 345 mlu duong tinh vdi virus ciim A (duang
ti'nh vdi gen M), chilm ty le 11,31% Trong dd
CO 9 mdu duong tinh vdi cd gen H5 (theo th6ng
bao ciia Cue thii y vd Vien thii y, cdc mdu duong
tinh H5 d gia cam den thdi diem nay diu la
H5N1), chilm ty le 2,54%
Qua gidm sdt dinh ky 5 nam (ngoai trii ndm
2011 chi 1dm 1 thang) co 355 mdu duong tinh
trong sd 3138 mdu xet nghiem, chilm 11,31%
vdi gen M (phdt hien virus cum A bdt ky type
nao), ty 1^ duang tinh virus ciim A giao dpng
tir 11,28 din 13,35 % cho cdc nam tir 2010 din
2013, chiing td sir luu hanh cua virus cum A d
chp gia cdm sdng la phd bien {ll,31%i) Tuy
nhien, virus ciim AyH5Nl chi chilm 2,54 %
trong s6 cdc virus ciim A da dupc phat hien
Rieng ndm 2009, ty Ie nhilm virus cum A
nay Id thdp nhdt (chi 3,56 % so vdi 11,31% qua
5 ndm); ly do cd thi Id d giai doan ddu trien khai
gidm sdt virus, vi$c thu thdp mdu va bao quan
mdu trong qud trinh chuyen ve phdng thi nghiem
chua thuc sy dap iing yeu cdu tieu chudn nhu
thudng quy thuc hien vao nhihig ndm ke tiep Tuy nhien, nam 2009 lai c6 ty 1? dinnig tinh gen H5 trong tdng s6 mau duong tinh virus ciim A
la cao nhdt (31,25%) Ly do ebu ylu c6 thi la trong ndm 2009, dich xdy ra d mpt so huy?n thupc dia ban thanh pho Ha Ndi va thdi dilm Idy mdu triing hpp vdi thdi diem dich dang xay ra
Sd lieu d bang 3 dupc minh hpa dudi dang bieu do d hinh 1 cho thdy trong khi ty 1$ nhilm cac virus cum A ndi chung khd dn dinh d miic 11,28% thi ty le luu hanh cua cdc virus cum A/ H5N1 CO khuynh hudng gidm ro r?t Cy thi: 1,11 % ndm 2009 gidm xudng 0,31% nam 2012
va 0,17% nam 2013 (tinh din didng 6/2013) Tuong tu, ty le duang tinh H5 trong tdng s6 cac virus ciim A cung gidm: tii 31,25% ndm 2009 xu6ng 2,44% nam 2012 va 1,54% ndm 2013 D€ tim hieu them nguyen nhan ciia si^ luu hdnh virus ciim A/H5N1 tai 4 chp dau m6i, chiing tdi tidn hanh phdn tich dien bien cua duang tinh virus cum A/H5NI trong mdi tuong quan vdi ngudn g6c gia cam luu th6ng tai chp Ket qua dupc trinh bdy d bdng 4
Bang 4 Nguon goe gia cam va SIP 1U>U hanh virus ciim A/HSNI
Ngudn
Ngoai tinh
Cum A
H5N1
Ch? Ha Vy
40%
6,82%
0,31%
Bic Thang Long
20%
33,08%
0
Cho San
10%
13,89%
0,76%
Chf' Chiic Som 5%
9,09%
0
Ket qud d bdng tren cho thdy, duang tinh ciim
A/H5NI chi xay ra d 2 chp: chp Ha VJ - huyen
Thudng Tfn vd chp San - huyen Thach Thdt
Trudng hpp mdu duang tinh d chp San chi
xay ra vdo dung dpt cd dich ndm 2009 Nhffng
ndm cdn lai cdc mlu d chp Sdn cung dm tinh
tuang ty nhu cdc mdu d chp Bac Thdng Long
va chp Chiic Son Ket qud nay chiing td su luu
thdng gia cam chii yeu cd ngudn gdc tir Thanh
phd Hd Npi it cd nguy co nhilm virus ciim PJ
H5NI Tuy nhien khdng thi chu quan vdi nhdn
xet nay vi th\rc te da xdy ra 3 trudng hpp duang
tinh cum A/H5N1 cho ndm 2009 khi dich xuat bien vd cdc mlu nay diu cd ngu6n gdc npi tinh
Sd mdu duang tinh cdn lai chi tap trung d khu vuc chp Ha Vy, nai cd 40 % sd gia cdm luu thdng cd ngudn gdc ngoai tinh (khdng loai trir kha ndng gia cam nhap tir bien gidi) Nhdn xet nay cho thay, viec giam sdt virus tai chp gia cdm song la ddc biet quan trpng d6i vdi nhimg ddu mdi cd su giao luu nhieu gia cdm c6 ngudn gdc ngoai tinh, noi ma Thanh phd khdng the chu dpng kiem dich, khong the kiem sodt neu gia cam da dupc hem phdng vacxin ciim A/H5N1
Trang 6D I 1dm sang td mdi tuong quan giua ty le
nhilm virus ciim A/H5NI tai chp ddu mdi vd
vdi ty le tiem phdng vd bao hp d gia cdm cd
ngudn gdc npi tinh, chiing tdi phdn tich ty le
duang tinh virus ciim A/H5N1 so vdi ty le tiem phdng trong nh&ng nam vira qua, ket qua dupc trinh bay d bang 5
Bang 5 Ty le tiem phong cum A/H5N1 tai dja ban va va sir lu-u hanh virus tai chg>
Nam
2009
2010
2011
2012
2013
Trung binh
Virus cum A
3,56 13,35 10,42 12,81 11,28
11,31
Virus cijm A/H5N1
1,11 0,00 0,00
0,31 0,17 0,29
Ty le tiem phong
52,30 88,10 82,50 104,90
81,95
Ket qud a bang 5 cho bi^t qua 5 nam theo ddi,
(ngoai trir nam 2009) ty le tiem phdng vacxin
ciim A/H5N1 dudng nhu khdng cd dnh hudng
den ty le luu hanh cac virus ciim A noi chung
(6n djnh d miic 10,42 din 13,35% tii 2010 din
nay), tuy nhien cd the anh hudng den sir luu
hanh ciia virus ciim A/H5N1 So lieu thdng k6
d bang 10 cho biet thdng tin ve cdc trudng hpp
duong tinh virus ciim A/H5NI tai chp Ha Vy va
chp San nam 2009 cd lien quan mat thiet den ty
Ie bdo hp sau tiem phdng; trong nam 2009, ty le
tiem phdng tren tdng dan chi dat 52,3 % (va kit
qua giam sat sau tiem phdng cho biet, ty le bdo
hp sau tiem phong ciing chi dat 56,48 % [khdng
ddn s6 lieu]) va dich ciim gia cam do virus ciim
A/H5NI xay ra tai mpt sd diem thupc dia ban
thdnh phd Do chp Sdn chu yeu luu th6ng cac
gia cdm cd ngudn gdc trong tinh (90%), sd gia
cdm CO ngudn gdc ngoai tinh chi chiem 10%
Tren thuc te, chiing tdi cung da xac nhan cd
mau duang tinh H5 nam 2009 tai chp San diu
CO ngudn gdc tir ga nudi tai dia phuang Hoan canh d chp Ha Vy phiic tap han rat nhieu do gia cdm dupc nhap tir nhieu ngudn khac nhau; gia cdm mdi va gia cdm cu chua ban het dupc nhdt chung d mot mat dp cao Co thS
nhin nhan qudn the gia cdm a chp Ha Vy la rapt
quan the h6n hpp cua ga va thiiy cdm du loai, du gidng da dupc tiem phdng (cd ngudn gdc tir dja phuang) va cd the chua dupc tiem phdng (tir cac ngudn goe khdc) Qudn the ndy chiia dung mpt nguy CO nhilm vd lay nhilm ciim A/H5N1 rat cao ma sau do phdt ra theo dudng v^n chuyen gia cam sdng
D I danh gia diem ndng nguy ca theo thdi gian thdng trong nam, chung tdi sii dung so lieu cdng ddn theo thang qua 5 ndm thuc hien
chuong trinh gidm sat Kit qua dupc trinh bdy a
bang 6 va hinh 2
Trang 7B a n g 6 Dien bien s ^ lu>u hanh virus t^i cho' dau moi theo thang (2009-2013) Thang
1
2
3
4
5
6
7
8
9
10
11
12
Tong
So mau
giim sat
96
288
288
384
384
384
288
258
192
192
192
192
3138
Diromg b'nh cum A
19
50
113
54
25
9
13
10
11
13
18 ^
20
355
T y i e %
19,79 17,36 39,24 14,06 6,51 2,34 4,51 3,88 5,73 6,77 9,38 10,42
11,31
Duvng b'nh cumA/H5N1
1
0
3
2
3
0
0
0
0
0
0
0
9
T y i f %
1,04 0,00
1,04
0.52 0,78 0,00 0,00 0,00 0,00 0,00 0,00 0,00
0,29
(A) Ty le nhi^m virus cum A: So miu cd gene M/tong so mau xet nghiem
n ^ n n n n Fh
1.20
1.00
— 0.80
•fl)
•|? 0.60
-0.40
0 20
0.00
•M
(B) Ty le nhl§m virus cum A/H5N1; S6 mlu co gene H5/t6ng s6 mau xet nghiem
1
Thang 1 2 3 4 5 6 7 8 9 10 11 12
Hinh 2 DiSn bien luu hanh virus ciim theo thing (2009-2013)
Trang 8Kit qud tren cho thdy duang tinh virus cum
A ndi chung tap trung trong khoang thdi gian tir
thdng 12 nam trudc den thang 4 nam sau, duang
tinh ciim A/H5N1 cham han 1 thang, chu yeu
tap trung vao thang I din thang 5
Cd the coi day la thdi diem nhay cam luu
hanh virus ciim A/H5NI lien quan den 3 yeu
td chinh:
- Day la thdi diem trudc vd sau Tet cd truyen,
la thdi diem cd su luu thdng gia cam manh nhdt
trong nam va tat nhien bao gdm ca su luu thdng
va buon ban gia cam cd ngudn goe ngoai tinh
- Ddy la thdi di8m ma thdi tiet, khi hau dm va
mua nhieu la dieu kien thudn Ipi cho su t6n tai
va lim hanh vims cum A ndi chung, virus cum
A/H5NI ndi rieng
- La giao thai cua dinh ky tiem phdng dai tra
(thang 4 tiem dpt 1) va cung la Iiic tai dan vdi sd
lupng ldn Thdi diem nay cd nhieu gia cdm chua
duoc tiem phong hoac dupc tiem phdng da ldu,
het thdi han bao hp,
Nhu vay cd the xdc dinh thai diem ndng
va nhay cdm ddi vdi sir luu hanh virus ciim A/
H5N1 la thdi diem trudc va sau tet c6 truyen,
cung la thdi diem trudc khi tiem phdng vacxin
ciim A/H5N1 dai tra dpt I trong nam
IV K E T L U A N V A D E N G H I
4.1 Ket ludn
- Trong 4 chp, chp Ha Vy la chp budn ban
gia cam ldn nhdt, cao diem Ien tai 81.000 gia
cam/ngay va ty Ie gia cam ngoai tinh dua ve
cung nhieu nhdt tdi 40% so vdi 3 chp (chp Bde
Thang Long, cha San, chp Chuc Son) Cdng tac
kiem dich va kiem sodt giet md da dupc cdc co
quan chiic nang chii y quan Iy chat che
- Tai 4 cho dau m6i, ty le luu hanh virus ciim
A trung binh d miic 11,28%, trong dd 2,54%
Id virus ciim A/H5NI Diln biln luu hanh ciia
virus cum A ndi chung Id 6n dinh qua nhilu
nam, trong nam ty le luu hanh cao han tii thdng
- Su luu hanh cua virus cum A/H5N1 tai 4 chp ddu moi tir 1,11% nam 2009; 0,31 vd 0,17
Vo cho nam 2012 va 6 thang dau nam 2013 co
m6i lien quan chat che den den ngudn gdc gia cdm tii ngoai tinh, ty le tiem phong va ty le bao
hd gia cam sau tiem phdng
- Su luu hanh cua virus cum A/H5NI tai 4 chp dau moi chu yeu vdo cdc thang 1- 5 trong nam la thdi diem tieu thu, luu thdng gia cdm manh (trudc vd sau Tet Nguyen dan) dong thdi
la giao thdi ciia dpt tiem phdng vacxin ciim A/ H5N1 dot 1 trong nam
4.2 De nghi
- D I nghi Thanh phd duy tri kinh phi de ca quan chuyen mon gidm sat chat che, dinh ky sir luu hanh ciia virus ciim A/H5N1 de du bao sdm tinh hinh dich benh, ddc biet chii y ddi tupng
la thuy cam vd vao giai doan trudc vd sau Tet Nguyen dan
- Chi dao tiem phdng ddm bdo cho dan gia cam cd ty le tiem phdng va ty le bao hg cao Tiem phong bd sung kip thdi va triet de cho doi tuong cd quy md dan tir 100 - 5000 con, giam thieu kha nang nhilm virus neu cd tir cac ngudn ngoai tinh
- Tang cudng cdng tac kiem dich vd kiem soat gilt md tan gdc, giam thieu viec nhap, xuat gia cdm sdng ngudn gdc ngoai tinh va khong qua kiem dich
T A I L I E U T H A M K H A O
1 BCDQG Ban chi dao Qu6c gia phong chdng benh ciim gia cdm (2013) Bdo cao tdng kit cdng tdc 2 nam phdng chdng dich ciim gia cdm, Hpi nghi tdng ket 2 ndm
phong chdng dich ciim ga ngdy 18 thdng 4 nam 2005, Hd NQI
2 Cue thu y (2013) Website Cue thu y hftp:f/ cucthuy.gov.vn
3 Nguyen Tien Diing, Dao Thanh Vdn, Bin Ngoc Anh, Ken Inui, Nguyin The Vinh,
Trang 9(2005) Gidm sat tinh trang nhiem virus cum
gia cdm tai d6ng bang sdng Cim Long cuoi
ndm 2004 Tap chi Khoa hgc f^ thudt Thu y
2(12) 13-18
Truong Vdn Dung (2008) Nhung Kit qua
nghien ciiu da dat dupc ve benh cum gia
cdm d Viet Nam Tap chi Khoa hoc ky thual
thuy \5 {A) 5-%
Td Long Thanh (2004) Benh ciim gia cdm d
ngudi vd van dl phong chdng Tap chi Khoa
hoc ky ihugt thuy 3 (11) 76-83
Council of European Communities [1992]
Council Directive 92/40/EEC of J 9th May
1992 introducing Community measures
for the control of avian influenza Official
Journal of Eropean Communides, 1-15
Hinshaw,V.S., Webster,R.G., Easterday,
B.C., and Bean,W.J., Jr [1981] Replicadon
of avian influenza A viruses in mammals
Infect Immun, 354-361
8 Kawaoka.Y [1991] Difference in receptor specificity among influenza A virus from different species of animals J.Vel.MedSci,
357-358
9 Kishida,N., Sakoda,Y., Isoda,N., Matsuda,K., Eto,M., Sunaga,Y., Umemura,T., and Kida,H [2005] Pathogenicity of H5 influenza viruses
for ducks, ^rc/7 Viwl, 1383-1392
10 OIE and Council of European Communities [1992] Council Directive 92/40/Eec of
19 th May 1992 introducing Community measures for the control of avian influenza Official Joumal of European Communities, 1-15
Nhdn ngay 7.11.2013 Phdn bien 20.11.2013
TO CHlTC HOI THAO PHO BIEN KIEN THlTC
CUA HOI THU Y VIET NAM NAM 2013
Ngay 11/12/2013 dugc sytai trgrkJnh phiciia Lien Hiep cac Hoi Khoa hpc va Ky thuat Viet Nam, HpiTTiii
y Viet Nam da phoi hop vai Chi eye Thii y Bac Ninh t6 chiic hpi thao pho biln kiln thiic voi chuyen de " Mot
so benh truyen nhilm nguy hiem d dpng vat lay sang ngudi" cho cac can bp lam cong tac chuyen mon ve ch5n nuoi, thii y cua So N6ng nghi?p & PTNT, Chi eye thii y, Trgm thu y, cac trang trai chan nuoi tap trung va cac
hpi vien cua Hoi Thii y a Bac Ninh So dai bleu tham dir hoi thao tren 200 nguai
Den d\f Hpi thao c6 dai bieu ciia Lien Hiep cac Hpi Khoa hoc va Ky thuat Viet Nam, d^i bieu cua So Nong
nghiep va PTNT tinh Bac Ninh
Phat bieu khai mac hoi thao, GS.TS D^u Ngoc Hao - Chii tjch Hpi Thii y Viet Nam d3 neu ro muc dich, y nghTa ciia hoi thao la viia pho bien kien thiic ciia cac chuyen gia, dong then cac dai bieu se ihao luan sau sic
cac chil de de cap de lain ro duqc trong thuc te lam sao han che toi da nhiing benh truyen nhiem nguy hiem 6
Bac Ninh
Sau bai trinh bay ciia cac chuyen gia: TS Nguyin Van Cam, GS.TS Dau Ngoc Hao ve "Mot so benh truyen nhiem nguy hiem 6 dpng vat lay sang ngucri" va mot s6 "chuyen de chuyen mon" ma can bp chan nuoi, ihii y tinh sdc Ninh quan tam la phan trao doi Ihao luan ciia cac dai bieu
TS Nguyin Nhan Limg - Chi eye truong Chi cue thii y Bde Nmh da chii tri buoi thao luan, cac chuyen gia giai dap, trao doi nhthig y kiln neu len cua cac dai bieu tao nen khong khi ccn mo, than mat va hieu biet sau s3c nhihig vdn de de cap trong hpi thao
Thay m3t cho Ban t l chiic Hpi thao, GS.TS Dau Ngpe Hao - Chii tich Hpi Thu y Viet Nam chan thanh cam
an SV giup dd t^n tinh ciia Ban lanh dao Chi eye thii y B k Ninh trong khau to chile, cam on Lien hiep cac Hpi Khoa hpc va Ky thu^it Viet Nam da giiip d& vl mat kinh phi d l t l chiic Hpi thao thanh cong toi dep