Which disease would be least likely to spread from a single infected horse during winter, according to the material?

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Multiple Choice

Which disease would be least likely to spread from a single infected horse during winter, according to the material?

Explanation:
The main idea is that transmission depends on the mode and season. African horse sickness relies on Culicoides midges to spread between horses; in winter these biting midges are rarely active, so a single infected horse is unlikely to pass it to others. Equine influenza spreads via respiratory droplets and close contact, so it can still spread if horses are together. EHV-4 also transmits through aerosols and direct contact, and outbreaks can occur in winter in crowded housing. So the disease least likely to spread from one infected horse in winter is African horse sickness.

The main idea is that transmission depends on the mode and season. African horse sickness relies on Culicoides midges to spread between horses; in winter these biting midges are rarely active, so a single infected horse is unlikely to pass it to others. Equine influenza spreads via respiratory droplets and close contact, so it can still spread if horses are together. EHV-4 also transmits through aerosols and direct contact, and outbreaks can occur in winter in crowded housing. So the disease least likely to spread from one infected horse in winter is African horse sickness.

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