Domestic cats and dogs may have to be vaccinated in the future against Covid-19 to protect people

This is a quick note but one worth making nonetheless. I think I can predict that in the long term, perhaps in about 18 months to 2 years time, governments in various countries, perhaps predominantly in the West, will be thinking about vaccinating companion animals as a second phase protective measure against Covid-19.  This is because there is a concern amongst some scientists that animals may create a reservoir for mutant variants of the Covid-19 virus. As the virus is zoonotic it can theoretically and actually be transmitted from animals to people and this must apply also to companion animals. Danish mink farmer with white mink due to be euthanised. Photo per credit Perhaps because of the general panicked nature of governmental responses to the coronavirus pandemic, not enough work has been done on this aspect of the spread of the disease. In addition nobody wants to alarm anybody which may lead to companion animal abuse. In fact, in China, at the outset of the pandemic, there were

Cat Deworming

Cat deworming agents or drugs are poisonous to the worm and less poisonous to the cat but they are still poisons. Care needs to be exercised.

The reference material comes from the book shown adjacent left to these words. You can buy it on Amazon. It is the best book on cat health care anywhere.


It appears that the general advice here is to have a good veterinarian check your kitten or kittens stool for worms as "a very large proportion of kittens are infested with ascarids"...but it cannot be assumed that the infestation is limited to ascarids. Certain deworming drugs are ineffective against certain worms so a proper diagnosis needs to be made at the outset. Ascarids are roundworms.

Kittens should be healthy and unstressed before administering deworming drugs - i.e. no diarrhea or signs of illness.

Kittens infested with roundworms should be treated at 2 - 3 weeks of age and at 5 - 6 weeks of age and beyond if still present. Treatments should be vet supervised in my opinion as kittens are too vulnerable.

Sid - he had worms and died of an unspecified illness - photo by rore

Adult Cats

The general modus operandi is to deworm when when worms are present and not as a precaution. Diagnosis is through inspection of the cat's stool through a microscope.

Any underlying illness or undiagnosed illness is best treated and resolved before deworming.

Outdoor cats should be checked yearly or automatically treated as a precaution. Tapeworms need more frequent treatment.

Breeding mothers should be dewormed before breeding.


Please see a vet first. Where a worm is not listed the drug is not effective for that worm.

Epsiprantel - effective for tapeworms.

Fenbendazole - Effective for ascarids, hookworm and tapeworm.

Invermectin - prevents heartworm, good for hookworm.

Milbemycin oxime - effective for roundworm and hookworm, prevents heartworm.

Piperazine - effective for roundworm.

Praziquantal - for tapeworm.

Praziquantel with pyrantel - for roundworm, hookworm and tapeworm.

Pyrantel pamoate - for roundworm and hookworm.

Selamectin - as for Pyrantel pamoate.

See cat parasites and cat cough and cat heartworm and "Cat has a bug that looks like rice coming out of butt"and kitten health.

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