Walking him is gonna be a problem…

He’s looking for drogs

How does it smell

Make sure the leash is at least 6 feet long!

A Chow Chow or a Shih Tzu

Is the dog hunting plague rats?

When the dog is not needed, we switch it off.

Ah so. Cooperation not turned on.

Well, doggone.

And on the other side of the board …

貓 很 懶 惰 和 自 負
Quarantine cat is off sleeping
這 將 是 狗 的 午 餐
Thanks get dog teach lesson

New sand island gave no tree,

Drug dog busting no have pee.

Quarantine cat has already licked its SARS.

He will seat you as soon as a cell is available.

The alsatian and your cooperation with vaccination will relieve the situation across the nation.

But is he working… like a dog?

McGruff says Help take a bite out of grime!

In dog we trust.
Thank for cooping.

Quarantine Dog will be sicked on all anti-vaxxers. Good doggy.

You may not be able to teach an old dog new tricks.

But you can teach a cat Nuclear Medicine.

(Then they can do Cat Scans)

Googling what the hell a 检疫犬 is brings only Chinese websites as a result – even the Wikipedia page has no variants in other languages. Apparently, a dog that smells if you have plants or animals in your luggage.