Boris Johnson’s health drive | Scientists using Windows 7 | Macbeth | Vaccine strategy | Pigs in blankets | Face masks in winter
Has Boris Johnson heard of the proposed new crackdown on obesity (Unhealthy snacks to be banned from checkouts at supermarkets in England, 28 December)? The photograph on another page in the same print edition of him surrounded by a Five Guys takeaway bag, chocolates, Coke and beer suggests otherwise.
• Martin Tolley (Letters, 27 December) implies that the Oxford vaccine researchers are still using Windows 7 because they cannot afford to upgrade to Windows 10. I have tried Windows 10 and have found it in many ways inferior to Windows 7, and so have gone back to the older operating system. Newer is not always better.
Selected by softengoxford