Why Does CDC Change its COVID-19 Guidelines?

We often hear complaints about changing recommendations from CDC and other experts we look to for guidance. But it would be more concerning if communicable disease experts weren’t learning anything from new scientific findings and new experience in the field. Weren't learning anything that could improve our response.

Inoculation Proves its Worth; Mozart Gets Smallpox as Dad Says No Inoculation

1717. Lady Mary Wortley Montagu, feminist wife of Britain's ambassador to Ottoman Empire, is stunned by the Turks' means of conferring immunity against smallpox, inoculation/variolation with smallpox. Having been earlier ravaged by the disease herself, Lady Mary is passionate about this discovery and fights to get the practice adopted in England. 1767. Mozart gets smallpox. By…