• Heartworm plush cluster
  • Heartworm plush front
  • Heartworm plush back
  • Heartworm plush side
  • Heartworm plush angle
  • Heartworm microbial
Size Specs

Heartworm (Dirofilaria immitis)


A bad relationship can break your pets' heart. But they'll love this little worm!
Prices include 20% VAT


  • Heartworm (Dirofilaria immitis) Heartworm (Dirofilaria immitis) GMEU-PD-0370
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Sizes Giantmicrobes are based on actual microbes, cells, organisms and other critters, only 1,000,000 times actual size!
Gigantic (GG) 40-60cm
XL (XL) 25-38cm
Original (PD) 12-20cm
Minis (MM) 5-10cm each
Keychain (KC) 5-10cm with clip
Materials Plush from all new materials. Stuffed with polyester fiber fill. Surface washable: sponge with water & soap, air dry.
Packaging Each plush microbe includes a printed card with fun, educational and fascinating facts about the actual microbe or cell.
Safety Every product meets or exceeds U.S. and European standards for safety. For ages 3 and up.

All about Heartworm (Dirofilaria immitis)

FACTS: You're not the only one who loves dogs - numerous parasites on the inside and outside of man's best friend use him as their own little ecosystem. Most are harmless annoyances, but heartworm (or Dirofilaria immitis) can cause serious complications and even death if left untreated.

Thin, spaghetti-like parasites, heartworms typically reside in the pulmonary arteries and hearts of their hosts. An infected dog can have as many as 250 worms. As they grow, the worms constrict blood supplies to the heart and lungs, causing infected animals to develop coughs, become listless, and lose their appetites.

Microscopic offspring called microfilariae are released by female worms after mating. These get sucked up by mosquitoes and develop into larvae that can infect the next host. Because larvae can only develop when it's hot, summer is a particularly dangerous time for transmission. However, since symptoms take six months to appear, winter is the time to be most aware.

If one of these worms works its way into your dog's heart, there are treatments available that can help. Preventatives can also be used. However, these medications are dangerous if your dog already has heartworm, so be sure to test your pet before administering them.

Remember: keeping control of heartworm is the best way to ensure your dog keeps only you in his heart.

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