🧵 Is there hybrid immunity for measles like for COVID? If so, should that be a public health goal? Answer from Dr Mansour Haeryfur, President, Canadian Society for Immunology *Replying in a personal capacity, not on behalf of CSI or UWO
b. Measles & COVID hybrid immunity "The goal for measles should be herd (population) immunity through vaccination, not breakthrough infections for several reasons:"
c. Measles & COVID hybrid immunity "With COVID19, we had no tangible choice but to rely on hybrid immunity..." 🧐😳 "...because mRNA vaccines have not been super-effective in “preventing infections". They were great at preventing/minimizing severe illness ..."
d. Measles & COVID hybrid immunity "When Omicron came along, we lucked out [😲] because this was a highly transmissible version of SARS-CoV-2, similar to measles virus, while primarily affecting the upper respiratory tract without causing severe illness in most cases."