Fearing social rejection, many patients don't seek treatment. To show your solidarity, don a surgical mask and post a selfie on World TB Day. COMMENT Five years ago, on Christmas Eve, I was diagnosed with multidrug-resistant tuberculosis. I had to spend the festive season in isolation, away from my family and friends, to prevent them from contracting TB from me. In addition to this, I had to wear a mask in public. People stared at me endlessly and questioned me about it.