Do I send a card, or not?

Definitely send a card.
Surely you would have heard had your friend have died.
I would just send a card as you would have had you known they were both well.
If you can get a Christmas card without any writing on at all or just Christmas Greetings I would just write To A and B with love from C and leave it at that.

You have sent a "Thinking of you "card so they know that you are thinking about them

You may of course not receive a card from them as it is often the woman who writes the cards .

Send a card. A fabulous card with a nativity scene .....

Definitely send a card... I have a relative who is terminal who wants life as normal as possible, as he said "I'm not dead yet"!

There's a card in T*e C*rd F*ct*ry which is so suitable for an occasion like this. (I've just sent one to someone who was recently bereaved. It's along the lines of 'thinking of you at this time').

Definitely send a card, if you don't it will appear they have gone already. I'm in a similar position, supporting a couple where the husband is at the end of his life and I'm picking up that his wife wants everything to be as sensitively as normal as possible.

Of course send a card. Just choose an appropriate one.

Definitely send a card- as others have said, buy a single card and write your own short message

Yes please send your friend a card so she knows she is in your thoughts. A card with no printed message and you can add your own message such as ' with love at Christmas ' or whatever you think is suitable.

My friends husband died a week ago, having moved house a week before. The funeral probably won’t be until after Xmas. I’ve sent flowers, but have decided not to send a new house card nor a Xmas card this year.

I am in this situation, have sent a snowy scene, blank inside, I wrote wishing you a peaceful Christmas and New Year.

Maybe "Wishing you joy and peace at Christmas" and send a nativity scene

I had the same kind of dilemma very recently, but i found a card in CardFactory which was perfect, it just said thinking of you at Christmas.

Sorry to hear about your friend of course you must send a card she s still alive I would think it’s important to keep everything flowing as normal and not treat her differently
You can certainly get blank Christmas cards and as she’s religious th at sounds ideal

On Googling, I've found 'thinking of you' Christmas cards on Amazon. If you scroll down the page, there are more choices. Amazon card

I'm sorry to hear about your friend.

If they are religious then I'd have thought a card with a nativity scene would still be appropriate. Look for a single card, not one in a set or box of cards. Single ones tend to be a bit different from run of the mill cards, maybe look in an independent gift shop?

I would send a card, but perhaps buy a blank one - that looks seasonal maybe? You could write your own greeting inside and also include the words "I am thinking of you" (again) or ones to that effect.

It is very difficult to send jolly festive greetings when you know someone is suffering.