It's coming up on April and May, two months that generally mean that allergens will be declaring war on my skull and if you happen to cross my path/germ cloud, you'll likely see me sneeze a few times per minute. Thankfully, for people suffering through the same manifestation of God's curse on humanity that I do, the Wall Street Journal has provided a helpful guide to being less sonically obtrusive with your sneezing. One thing you should absolutely not do ever is plug your nose to keep the horrible sound from escaping:
Never, ever do this. It closes the airway, creating internal pressure. Medical journals have recorded incidents of larynx fractures, voice changes, ruptured eardrums, damage to soft tissue in the neck, bulging eyeballs, bladder incontinence and more.