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Learn to love your lockdown, experts say — because it may not end anytime soon.

The coronavirus threat will continue to loom for months or even years before mass vaccinations or natural immunities will eliminate its dangers, according to the BBC.

“We do have a big problem in what the exit strategy is and how we get out of this,” said epidemiologist Mark Woolhouse of the University of Edinburgh. “No country has an exit strategy.”

President Trump has refused to say how long policies of social distancing will have to last.

“We’ll have to see what the results are at the end of 14 days, let’s say,” he said Friday — one week after launching the national strategy to tamp down the spread of the virus.

British Prime Minister Boris Johnson has said that the UK can “turn the tide” after three months of school closures and mass-gathering bans.

But neither timeline may be enough.

While a vaccine against the novel virus is already being tested — on the fastest vaccine development path ever seen, US officials have boasted — it will take at least 12 to 18 months to determine whether it works and to ensure it carries no dangerous side effects.

Healthy people who are exposed to the virus may build up natural immunities to it, experts say. Once enough of them have done so, pandemic spread in the rest of the population will no longer be possible.

But that process could take up to two years — and will inevitably cause significant illness and death along the way.

The best hope for a quick solution will be the development of new treatment methods that would keep coronavirus patients from developing deadly complications, like pneumonia. Several drugs are already being tested.

A final option: “Permanent changes in our behavior that allow us to keep transmission rates low,” Woolhouse said.

That could include strict policies of testing and quarantine for anyone who comes down with COVID-19 — or even long-term bans on large gatherings.