What was considered acceptable behavior or even possible three days ago may not be an option any longer.

During this pandemic one should consider what activities are essential, versus what can be avoided."

So we asked the country’s top infectious disease experts to address more specific scenarios.

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If it’s the latter, you should limit your physical interactions to those you live with.

But recognize that if anyone has a fever or cough, you’ll need to change your plans.

If you’re coughing, sneezing or having any respiratory symptoms, do not go to check on them.

A grocery bag full of food and a rolled up newspaper left in front of a door outside

We’re trying to keep people from being exposed to coronavirus by coming in.

Katz:Call your doctor’s office and describe your symptoms over the phone.

See if it’s a matter that can be addressed over the phone or through telemedicine.

Woman washing her soapy hands in a bathroom

Morgan:For those who have the means, having the products delivered is a good idea.

Late at night might be the second-best option if the store is unlikely to be crowded."

You have to make a decision about whether the risk is worth the pleasure.

If you’re going to have people over, have an appropriate distance at least six feet between yourselves.

And don’t invite anyone who has signs of a respiratory infection.

Knight:In general, I would not recommend that older people have friends over for dinner.

Where have they been, and what has their exposure been?

Have they been tested?

And is everyone free of fever and cough?

In any case, there should not be unknown people in the group.

Schachter:We’re trying to discourage going places as much as possible.

Knight:If you must go somewhere, I recommend a taxi or driving service.

venture to avoid touching common surfaces and touching your face during the ride.

Be sure to wash your hands or use hand sanitizer when you leave the vehicle.