16
Raccoon rabies Management in Quebec, Canada USAHA – 2015 annual meeting Committee on Public Health and Rabies Marianne Gagnier Ministry of Forest, Wildlife and Parks, Québec, Canada October 27, 2015 1 1999-2000: In Canada, first cases reported in ON (from NYS) and then in NB (from ME) 2006: First cases in Quebec (from VT) 2006 - 2009: 104 cases were confirmed in Québec Québec Virginie History of Raccoon Rabies in Quebec 2

Québec Virginie History of Raccoon Rabies in Quebec€¦ · Raccoon Rabies Control Program : 2006-2009 Positive effects of the Program: - 2006 to 2009: decrease of affected area

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Page 1: Québec Virginie History of Raccoon Rabies in Quebec€¦ · Raccoon Rabies Control Program : 2006-2009 Positive effects of the Program: - 2006 to 2009: decrease of affected area

Rac

coon

rabi

es M

anag

emen

t in

Que

bec,

Can

ada

US

AH

A –

2015

ann

ual m

eetin

gC

omm

ittee

on

Pub

lic H

ealth

and

Rab

ies

Mar

iann

e G

agni

erM

inis

try o

f For

est,

Wild

life

and

Par

ks, Q

uébe

c, C

anad

a

Oct

ober

27,

201

51

•19

99-2

000:

In C

anad

a, fi

rst c

ases

re

porte

d in

ON

(fro

m N

YS

) and

then

in

NB

(fro

m M

E)

•20

06: F

irst c

ases

in Q

uebe

c (fr

om V

T)

•20

06 -

2009

: 104

cas

es w

ere

conf

irmed

in Q

uébe

c

Qué

bec

Virg

inie

His

tory

of R

acco

on R

abie

s in

Que

bec

2

Page 2: Québec Virginie History of Raccoon Rabies in Quebec€¦ · Raccoon Rabies Control Program : 2006-2009 Positive effects of the Program: - 2006 to 2009: decrease of affected area

Virg

inie

An

Evol

utiv

e C

ontr

ol S

trat

egy

•B

efor

e 20

06: P

reve

nt e

ntry

(VT)

•20

06-2

009:

Con

trol a

nd E

limin

atio

n

•Si

nce

2010

: Pre

vent

ent

ry (V

T / N

YS

)

3

2009

2006

2007

2008

Pos

itive

effe

cts

of th

e P

rogr

am:

-200

6 to

200

9: d

ecre

ase

of a

ffect

ed a

rea

-Las

t cas

es in

200

9

-201

0 -M

ay 2

015:

Que

bec

is “R

abie

s Fr

ee”

-Que

bec

Rab

ies

Con

trol P

rogr

am: a

«su

cces

s st

ory

»

-New

thre

at: N

YS

out

brea

k

Rac

coon

Rab

ies

Con

trol

Pro

gram

: 20

06-2

009

4

Page 3: Québec Virginie History of Raccoon Rabies in Quebec€¦ · Raccoon Rabies Control Program : 2006-2009 Positive effects of the Program: - 2006 to 2009: decrease of affected area

5

������

����

��

����

���

����������

����

��

•25

0 km

of b

orde

r with

US

A (V

T an

d N

YS

)•

No

natu

ral b

arrie

rs /

Man

y po

rts o

f ent

ry•

2015

NY

S o

utbr

eak

(15

case

s as

of O

ctob

er 1

4th

2015

)

•Ak

wes

asne

cas

e (Q

C) –

May

29t

h20

15

Nee

d to

sta

y vi

gila

nt!

6

Mai

n go

als

:

•P

reve

nt e

ntry

(con

trol)

•Q

uick

det

ectio

n (s

urve

illanc

e)

•If

rein

trodu

ctio

n : P

reve

nt s

prea

ding

(con

trol)

•C

olla

bora

te w

ith n

eigh

borin

g ju

risdi

ctio

ns to

:

•pu

sh s

outh

the

north

east

ern

epid

emic

fron

t

•re

ach

racc

oon

rabi

es e

limin

atio

n

Cur

rent

Rac

coon

Rab

ies

Con

trol

Pro

gram

6

Page 4: Québec Virginie History of Raccoon Rabies in Quebec€¦ · Raccoon Rabies Control Program : 2006-2009 Positive effects of the Program: - 2006 to 2009: decrease of affected area

Con

trol (

OR

V)

Com

mun

icat

ion

Com

pone

nts

of th

e pr

ogra

m:

Enha

nced

sur

veilla

nce

Res

earc

h

Cur

rent

Rac

coon

Rab

ies

Con

trol

Pro

gram

7

Goa

ls :

•D

etec

t qui

ckly

any

cas

es

•In

cas

e of

intro

duct

ion,

follo

w e

volu

tion

of ra

bies

spr

eadi

ng•

Hel

p qu

ick

inte

rven

tions

for a

mor

e ef

ficie

nt a

nd le

ss e

xpen

sive

con

trol

Enha

nced

Sur

veill

ance

NY

VTN

H

Mon

trea

l

ON

������

���

8

Page 5: Québec Virginie History of Raccoon Rabies in Quebec€¦ · Raccoon Rabies Control Program : 2006-2009 Positive effects of the Program: - 2006 to 2009: decrease of affected area

How

?•

Sta

rted

in 2

007,

don

e by

wild

life

tech

nici

ans

•Ta

rger

ted

spec

ies

: rac

coon

, sku

nk, f

ox

•3

sour

ces:

•C

itize

ns re

port

s: s

trang

e ac

ting

anim

als

or d

ead

•R

oad

kills

•H

uman

/ an

imal

exp

osur

es(fr

om H

ealth

Dep

.)

•80

0-10

00 d

RIT

/yea

r Adv

anta

ges

Low

cos

t Ea

sy to

cov

er a

larg

e ar

eaB

est w

ay to

find

rabi

d an

imal

s

Enha

nced

Sur

veill

ance

9

NYS

VTN

H

Mon

trea

l

Enha

nced

sur

veill

ance

-So

far i

n 20

15…

As o

f Oct

ober

22,

201

5:-

723

spec

imen

s co

llect

ed: 4

97ro

adki

lls, 1

48 re

porte

d by

citi

zens

, 78

othe

rs-

1 po

sitiv

es(S

t.Reg

is, A

kwes

asne

, QC

–M

ay 2

9) +

15

case

s in

NY

S

ON

Oct

14

Page 6: Québec Virginie History of Raccoon Rabies in Quebec€¦ · Raccoon Rabies Control Program : 2006-2009 Positive effects of the Program: - 2006 to 2009: decrease of affected area

NYS

2015

Enh

ance

d Su

rvei

llanc

e –

Sout

hwes

t

ON

Oct

14

Goa

ls :

•Im

mun

ized

racc

oons

(hum

an h

ealth

pro

tect

ion)

•C

reat

e an

d m

aint

ain

a im

mun

itary

bar

rier

•If

rabi

es c

omes

bac

k: p

reve

nt s

prea

ding

of t

he d

isea

se

Con

trol

: O

ral R

abie

s Va

ccin

atio

n (O

RV)

Adv

anta

ges

Lots

of a

nim

als

vacc

inat

ed in

a s

hort

per

iod

of ti

me

Less

exp

ensi

ve th

an o

ther

met

hods

(TV

R o

r red

uctio

n)12

Page 7: Québec Virginie History of Raccoon Rabies in Quebec€¦ · Raccoon Rabies Control Program : 2006-2009 Positive effects of the Program: - 2006 to 2009: decrease of affected area

Con

trol

: OR

V

How

?

•Rac

coon

s Im

mun

izat

ion:

Use

of O

NR

AB

vac

cine

bai

t onl

y

•Kee

p an

app

ropr

iate

imm

uniz

atio

n le

vel

•65%

in h

igh

risk

zone

s (a

long

the

bord

er)

•50%

in m

oder

ate

risk

zone

s

•Tar

gete

d O

NR

AB

dis

trib

utio

n co

nsid

erin

g:

• Rac

coon

den

sity

•Hab

itat q

ualit

y

•Rig

ht ti

min

g (e

arly

spr

ing,

late

sum

mer

)

13

Aer

ialb

aitin

g(p

lane

) •

Den

sity

base

don

hab

itat q

ualit

y(7

5-12

5 ba

its/k

m²)

Dro

p ba

itson

lyin

racc

oon

habi

tat

•Ed

ges

of la

rge

cultu

re fi

eld

only

Con

trol

: OR

V

14

Page 8: Québec Virginie History of Raccoon Rabies in Quebec€¦ · Raccoon Rabies Control Program : 2006-2009 Positive effects of the Program: - 2006 to 2009: decrease of affected area

Gro

und

hand

bai

ting:

Targ

et ra

ccoo

n+

skun

kpr

ime

habi

tats

(6

0-10

0 ba

its/k

m²)

•W

here

aeria

loff

time

isov

er 6

5%•

Dee

pva

lleys

(por

ts o

f ent

ry)

•Ex

perie

nced

trapp

ers

Con

trol

: OR

V

15

2015

OR

V Pl

an

Con

side

ring

the

curr

ent s

ituat

ion

in th

e U

S:•

Rec

ent N

YS

out

brea

k•

Leve

l of e

nhan

ced

surv

eilla

nce

(com

parin

g w

ith Q

C)

•U

se o

f ON

RA

B: f

ield

tria

ls, l

icen

sing

in p

roce

ss

Bas

elin

e: S

ame

OR

V Pl

an th

an 2

014

+Sp

ecifi

c ac

tions

in re

actio

n of

NYS

out

brea

k •E

xten

d sp

ring

baiti

ng z

one

•Inc

reas

e ha

nd b

aitin

g de

nsity

•Akw

esas

ne h

and

baiti

ng (J

une

and

Aug

ust)

•Inc

reas

e ae

rial b

aitin

g de

nsity

in A

ugus

t

Enha

nced

sur

veill

ance

: mor

e ef

fort

nea

r NYS

out

brea

k 16

Page 9: Québec Virginie History of Raccoon Rabies in Quebec€¦ · Raccoon Rabies Control Program : 2006-2009 Positive effects of the Program: - 2006 to 2009: decrease of affected area

Incr

ease

OR

V ac

tions

ne

ar N

YS

17

2015

OR

V Pl

an: A

dapt

ed to

NYS

Out

brea

k

50 k

m

706

400

ON

RAB

bai

ts

6 90

0 km

2co

vere

d

From

Apr

il to

Sep

tem

ber

Red

uced

OR

V zo

ne

of 4

86 k

m2

(eas

t)

18

Spec

ific

actio

ns in

sou

thw

este

rn Q

C

Akw

esas

ne:

•Ext

end

hand

bai

ting

•Are

a of

14

km2

•150

bai

ts/k

m2

•Jun

e &

Aug

ust

Hun

tingt

on a

rea:

•Ext

end

hand

bai

ting

•Are

a of

75

km2

•May

& A

ugus

t•1

00 b

aits

/km

2W

este

rn a

eria

l OR

V z

one:

•� b

aitin

g de

nsity

10

0 to

125

bai

ts/k

m2

•Ove

r 790

km

2

Hun

tingt

on a

rea:

•� h

and

baiti

ng d

ensi

ty•7

0 to

100

bai

ts/k

m2

•Are

a of

275

km

2

•May

& A

ugus

t

Exte

nd b

aitin

g ar

ea

Incr

ease

bai

t den

sity

Page 10: Québec Virginie History of Raccoon Rabies in Quebec€¦ · Raccoon Rabies Control Program : 2006-2009 Positive effects of the Program: - 2006 to 2009: decrease of affected area

Post

-OR

V M

onito

ring

Why

?•

Ass

ess

herd

imm

unity

of o

ur v

acci

natio

n ba

rrier

•P

opul

atio

n im

mun

ity is

the

mai

n va

riabl

e in

fluen

cing

pro

babi

lity

that

rabi

es

brea

ches

the

boun

dary

of a

vac

cina

tion

barri

er (R

ees

and

al. 2

013)

In 2

014:

•3 c

ells

(100

km

2ea

ch)

•319

racc

oons

•10

days

20

2015

Pos

t-OR

V M

onito

ring

In 2

015:

•3 c

ells

(100

km

2ea

ch)

•Tar

get 3

50 ra

ccoo

ns

•Fro

m O

ctob

er 1

2 to

22

��

Page 11: Québec Virginie History of Raccoon Rabies in Quebec€¦ · Raccoon Rabies Control Program : 2006-2009 Positive effects of the Program: - 2006 to 2009: decrease of affected area

56km

9km

39km

9km

12km

36km

7km

1km

0,5k

m9k

mPost

-OR

V M

onito

ring

Wha

t do

we

lear

n fr

om

mar

ked

racc

oons

? •

Mov

emen

t of 5

6 km

ove

r 1 y

ear!

•U

S to

QC

in le

ss th

an 5

mon

ths!

•N

o re

al n

atur

el b

arrie

r

18 R

/100

NP

20 R

/100

NP

21

R/1

00N

P14

R/1

00N

P13

R

/100

NP

Sou

thw

este

rn Q

uébe

c :

Hig

hest

racc

oon

dens

ity

sinc

e 20

07!

23R

/100

NP

Wha

t do

we

lear

n fr

om

trap

ping

suc

cess

?

Post

-OR

V M

onito

ring

Page 12: Québec Virginie History of Raccoon Rabies in Quebec€¦ · Raccoon Rabies Control Program : 2006-2009 Positive effects of the Program: - 2006 to 2009: decrease of affected area

Econ

omic

asp

ect o

f Rab

ies

Con

trol

Pro

gram

•M

ajor

eco

nom

y :

•P

ublic

hea

lth p

rote

ctio

n (2

.4 M

inha

bita

nts

in M

ontre

al a

rea)

5 M

$ to

5.5

M$

/ yea

r *

*For

the

first

yea

r, if

rabi

es re

ache

s M

ontre

al a

rea

WIT

HO

UT

cont

rol p

rogr

am

VS.

WIT

H c

ontr

ol p

rogr

am

1.8

M$

/ yea

r

•P

reve

ntio

n =

3.5

M$

savi

ngs

/ yea

r

23*

Bio

econ

omic

Mod

ellin

g of

Rac

coon

Rab

ies

Spr

ead

Man

agem

ent I

mpa

cts

in Q

uebe

c, C

anad

a. S

. Shw

iff e

t al.

2012

, in

Tran

sbou

ndar

y an

d E

mer

ging

Dis

ease

s.

doi:1

0.11

11/j.

1865

-168

2.20

12.0

1351

.x

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Page 13: Québec Virginie History of Raccoon Rabies in Quebec€¦ · Raccoon Rabies Control Program : 2006-2009 Positive effects of the Program: - 2006 to 2009: decrease of affected area

25

Rab

ies

in O

ther

Can

adia

n pr

ovin

ces:

Ont

ario

Fox

Rab

ies

Then

•19

56-1

989:

ave

rage

of 1

500

ra

bies

cas

es/y

ear

•19

86:3

273

cas

es

•19

89: 2

064

rabi

es c

ases

(909

foxe

s)

•19

89: F

irst l

arge

-sca

le O

RV

in

east

ern

Ont

ario

•B

y 19

94: a

lmos

t all

of s

outh

ern

Ont

ario

was

bei

ng b

aite

d

•19

95: o

nly

328

case

s (a

bout

80%

de

crea

se in

6 y

ears

)

26

Rab

ies

in O

ther

Can

adia

n pr

ovin

ces:

Ont

ario

Fox

Rab

ies

Now

•Ju

ne 2

012:

Las

t con

firm

ed fo

x st

rain

ca

se in

sou

ther

n O

ntar

io

•C

ases

are

stil

l pre

sent

in n

orth

ern

Ont

ario

•C

ases

in s

outh

ern

Ont

ario

are

lim

ited

to b

ats

•E

nhan

ced

surv

eilla

nce

(dR

IT):

repo

rted

susp

ect a

nim

als

with

out

cont

act

From

“R

abie

s ca

pita

l of N

orth

Am

eric

a” to

“R

abie

s fr

ee”

Page 14: Québec Virginie History of Raccoon Rabies in Quebec€¦ · Raccoon Rabies Control Program : 2006-2009 Positive effects of the Program: - 2006 to 2009: decrease of affected area

27

Oth

er C

anad

ian

prov

ince

s: O

ntar

io

Rac

coon

Rab

ies

Then

•19

99: F

irst c

ase

of ra

ccoo

n ra

bies

in e

aste

rn O

ntar

io (J

uly

14)

•19

99-2

005:

tota

l of 1

32 c

ases

•C

ontro

l act

ions

: Lim

ited

spre

ad to

49

km in

6+

year

s (e

aste

rn O

ntar

io)

•W

ithou

t Con

trol:

may

hav

e sp

read

240

-360

km

in 6

yea

rs

����� !!�

����� !!"

28

Oth

er C

anad

ian

prov

ince

s: O

ntar

io

Rac

coon

Rab

ies

Now

•S

epte

mbe

r 200

5: L

ast c

onfir

med

cas

e

•C

ases

eve

ry y

ear i

n no

rther

n N

YS

•P

roac

tive

OR

V a

long

bor

der:

prev

ent r

einf

ectio

n fro

m N

YS

cas

es

•E

nhan

ced

surv

eilla

nce

(dR

IT):

repo

rted

susp

ect a

nim

als

with

out c

onta

ct

Page 15: Québec Virginie History of Raccoon Rabies in Quebec€¦ · Raccoon Rabies Control Program : 2006-2009 Positive effects of the Program: - 2006 to 2009: decrease of affected area

29

Oth

er C

anad

ian

prov

ince

s: N

ew B

runs

wic

k

Rac

coon

Rab

ies

–20

00-2

002

Out

brea

k

•S

epte

mbe

r 200

0: F

irst c

ase

dete

cted

•S

epte

mbe

r 200

1: B

egin

ning

of c

ontro

l m

easu

res

(Red

uctio

n, T

VR

)

•20

00 -

2002

: tot

al o

f 61

case

s

•20

02: L

ast c

ase

in M

ay

•20

02: R

educ

tion

and

TVR

•20

03-2

007:

TV

R

•20

08: O

RV

usi

ng O

NR

AB

•20

08: L

ast y

ear o

f con

trol,

afte

r 8 y

ears

30

Oth

er C

anad

ian

prov

ince

s: N

ew B

runs

wic

k

Rac

coon

Rab

ies

–20

14 to

pre

sent

•M

ay 2

014:

New

incu

rsio

n of

racc

oon

rabi

es

•M

ay 2

014

to O

ctob

er 2

015:

26

case

s

•E

nhan

ced

surv

eilla

nce

(citi

zen

repo

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