As per our long standing policy of not permitting medical advice on the forum - all threads concerning the Coronavirus will be locked.
For more info on the coronavirus please see the link below:
In my experience pens that are jostled can end up with extra ink in the feed and act of but it rarely happens to me. What I normally have to contend with is changes in temperature where if it's cold outside during my commute and then going into a warm building might cause some burping issues
I just really enjoy receiving Christmas cards and considering the effort it now takes to send out physical mail as compared to sending a message through our phones and social media its makes it that much more special. I would also say if you are interested in sending and receiving Christmas...