The Mail on Sunday

It’s not barking – animals need a Covid vaccine too

- By Vivienne Parry

THE near- apocalypti­c scenes and harrowing accounts coming out of India are heartbreak­ing. Desperate people, franticall­y trying to save the ones they love against impossible odds. Bodies, truly, piled high. Virtually no family untouched.

In Britain, with plummeting hospitalis­ations and infections and a vaccine programme close to delivering herd immunity, it might feel as if it’s all just about over.

But there is a mountain the whole world still has to climb before we get Covid under control.

I state this to underscore the seriousnes­s of what I’m about to say: if we are to beat this virus, we’re going to need to vaccinate not just humans, but animals, too.

You may think I have lost my marbles, particular­ly as many countries are still struggling to get regular vaccine programmes up and running for citizens never mind pets and farm animals, but hear me out…

We already know that domestic animals and livestock are susceptibl­e to coronaviru­s. And it can be passed between human and animals, mutating as it does so – remember, it’s highly likely that Covid-19 jumped from bats, probably via some intermedia­te creature, to people.

Last month, the first two recorded cases of British human-to-cat transmissi­on of Covid were revealed in a report from the Medical Research

Council and Glasgow University’s Centre for Virus Research. But these are just the latest instances – t he pandemic has been peppered with anecdotal cases of cats and dogs, and even a tiger at a New York zoo, testing positive for the virus. There was a ferret in Slovenia, too.

At present the American Centers for Disease Control (CDC) states that the risk of animals spreading Covid to humans is ‘considered to be low’. Not a single transmissi­on event has been recorded from a pet cat to human, for example. Luckily, cats’ famous aloofness, both with humans and other cats, is an advantage here. Dogs are much more sociable, but seem less affected by Covid. It’s also unlikely the virus will survive long on fur.

However, the CDC also admits: ‘ We are still learning about this virus [ and] we know that it can spread from people to animals in some situations, especially during close contact.

‘ People with suspected or confirmed Covid-19 should avoid contact with animals, including pets, livestock and wildlife.’

In November, Danish and Dutch fur- makers were forced to cull more than 17 million mink that had contracted the virus.

To the horror of health officials, the animals had passed a worrying new variant of Covid back to their keepers. It wasn’t simply a sad moment for animal- lovers – Danish PM Mette Frederikse­n shed tears after meeting farm workers who had seen their livelihood­s go up in smoke. Mink farms in the US have also been hit.

There are, as far as we currently know, seven types of human coronaviru­s. Four of them cause about a third of our common colds. The three others – the ones that cause SARS, MERS and Covid – are rather nastier.

We know that other primates, such as apes and monkeys, are as susceptibl­e to Covid as we are – for this reason they were used when developing the vaccines.

In November, endangered gorillas at San Diego Zoo in the US began coughing and subsequent­ly tested positive for Covid. It is believed that an asymptomat­ic member of staff passed i t on to them.

But if it spread in the wild, in these fragile population­s it could be devastatin­g.

Monkeys pose a different problem. For example, they frequent temple grounds in India, mingling with people. And they naturally don’t give, erm, a monkey’s about social distancing. There’s a potential for infection to emerge again right there.

And lots of animals have their o wn s p e c i e s - s p e c i f i c c o r o n a - viruses – hedgehog CoV HKU31 and giraffe Co- V, to name just two – which might be ready and willing to mix and match with ours if it is introduced to them.

We should always keep our distance from wild animals. But as for domestic pets and farmed animals, should we be vaccinatin­g them?

Wel l , Rus s i a is developing Carnivac-CoV, an animal vaccine claimed to be for cats. And my sources tell me the big animal vaccine companies are considerin­g following suit.

But these will not be easy to develop. Cats already harbour their own unique type of coronaviru­s. Many carry it harmlessly, but it sometimes causes a lethal illness called feline infectious peritoniti­s.

There is a vaccine for this, but it’s not used much as it doesn’t work in cats that have already

It’s been found in cats, dogs, gorillas, a tiger, hedgehogs, giraffes and a ferret

Vaccinatin­g animals is just another way we can reduce the viral reservoir

been exposed to this coronaviru­s – which, after 13 weeks, is most of them.

The developmen­t of this vaccine was fraught with problems, as early versions were found to bind to the virus in a way that made it even more deadly – a phenomenon known as antibody- dependent enhancemen­t of infection.

Trials resulted in a lot of dead cats, unfortunat­ely.

This is one reason I suspect the Carnivac-Cov vaccine is unlikely to be aimed at cats. Instead, farmed mink and fox will be likely targets, because they are valuable to Russia’s fur industry.

Last week, the Scottish government adviser Professor Devi Sridhar, Chair of Global Public Health at the University of Edinburgh, said the only true way out of the pandemic was a ‘pan-coronaviru­s vaccine’ – a jab to protect against numerous coronaviru­ses, not just the one that causes Covid.

This, she stated, would prevent future pandemics that could occur when animal coronaviru­ses make the leap into humans, as they’re likely to do again.

Such a vaccine is, in fact, in developmen­t. But I’d say going one stage further would be prudent.

Covid is out there. It’s impossible to put the genie back in the bottle. But once we vaccinate all adults, children and even babies, the virus will have fewer places to hide. Vaccinatin­g animals, as wacky as it might first sound, will be another way to reduce viral ‘reservoirs’.

And, yes, that may well include those temple monkeys.

 ??  ??
 ??  ??
 ??  ??
 ??  ??

Newspapers in English

Newspapers from United Kingdom