No new cases of equine flu have been confirmed following tests of hundreds of horses, the British Horseracing Authority says.

But the BHA says there are many more tests to be carried out and has warned against complacency.

All race meetings have been cancelled in Britain until Wednesday – at the earliest – after six cases of the virus emerged towards the end of the week.

“Our focus remains on containing the virus,” said the BHA’s David Sykes.

The organisation’s Director of Equine Health and Welfare added: “I would advise against anyone drawing any conclusions or making any predictions based on this set of results.”

The Animal Health Trust, which is conducting tests for the BHA, has already received some 2,100 nasal swabs from stables across the country and has analysed about 720 so far.

It has told the BHA there have been no further positive samples returned from those tests.

That includes swabs taken from three suspected cases at the yard of trainer Rebecca Menzies – although they will “remain under close surveillance”, the BHA said.

Thousands more swabs are expected to be received and tested over the coming days, the BHA added.

“Though hundreds of tests have been completed already, there are many hundreds more to be analysed over the weekend before we will have a fuller picture,” Sykes said.

“The nature of disease control means that if a positive did emerge elsewhere, that could lead to more yards being locked down.”

A total of 174 racing stables have been placed in lockdown while tests are carried out.

Equine influenza – like human flu – leaves infected horses suffering with coughing and runny noses and feeling run down.

The BHA confirmed the strain of this outbreak is the Florida Clade 1 strain, endemic to North and South America – a more virulent type than the Clade 2 strain that’s endemic to Europe.

British horses are vaccinated against both strains, but the more powerful American flu can affect vaccinated horses.

More to follow

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