TAKE A 30-minute Walk to
Bethlehem.

Led by Bedouin guides, you
will travel through six living
scenes relsting to the events sar-
rounding the birth of Christ.
Ajong the route, you will exoeri-

Walk to Bethlehem

This free family event is being
held by the West Vancouver Bap-
tist Church, 450 Maihers Ave.
(ast off Hadden Drive at exit
#13 on Upser Levels Highway).
The public is invited to come any
time between 5 and 7 p.m. on
Saturday, Dec. 16 end 7 and 9

23 - Wednesday, December 13, 1989 - North Shore News

Vaccines trigger immune response

From pege 22

weakened or killed germ or a
bacterial poison rendered
harmless, vaccines are either in-
capable of causing disease or too
weak to cause more than a minor
localized infection. Yet the im-
mune system reacts to them as if to
a full-scale threat.

In what is called an immune

cells to make antibody specifically
designed to kill that invader in the
bloodstream or another type of
white blood cell called a T Cell to
destroy it inside cells. Thereafter,
the memory of the invader and the
method used for its destruction is
stored in another type of white
blood cei! called a memory cell
which remains in the body in-
definitely.

immune response.

By presenting a harmless or
weakened form of the infectious
agent, vaccines mimic enough of
the disease process to forewarn
and forearm our bodies against the
onslaught of ‘treal’’ infectious or-
ganisms. Thus, they enable us to
develop immunity at a fraction of
the risk involved in natural disease
process.

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response, the immune system
deploys mechanisms to exactly
identify the infectious agent. Then
it produces special white blood

Should chat particular organism
reappear, the memory cell will
recognize it instantly and trigger a
faster and even more effective

Unfortunately, not all vaccines
are risk-free. Occasionally, there
are adverse reactions and, in rare
instances, they can be serious.

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Vivitar 35mm auto focus
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#11551. Reg. 139.99 129.99

Affordable and portable VHS
piayer. Has 8-function/6-
button remote. AC/DC. #30009.

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Tasco binocutars; lifetime
warranty”. #25021/41. Reg.
99.99-239.99 ...69.99-169.99

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Casio keyboard with built-in
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Re nces Stated ar 1S PRCES .
ley pices stated are Sears price: Reg pnceaitems, excludes salu priced merchandse

SEAIRS

Prices in effect till Sunday. December 17.

NORTH VANCOUVER, Capilano Mall, open daily 9:30-5:30, Thurs. and Fri. till 9, Sun. noon to 5 p.m., phone 985-7722

Sears Canada inc Sanstaction guatanteed of money refunded “Reg” and”
There's a Sears store near you... shop today at: Burnaby 433-3211, Richmond 278-5542; Surrey $88-0811; 'Aonuay. |
Shop Sunday trom 12 noon io 5.00 pin Capilano Mall 985-7722. Snop Monday Tuesday. Véednesday and Saturday 930 am to &

Ss feter to Sears Canada Inc prices
and Saturday 930 em to $30 orn Wednesday Thursday and Faday till 9 U0 pin
30 orn Thursday and Foday tll ud om Snop Suny trom 12 neon to 5 00 pm