For COVID, no, not yet, but papers were published for gastroenteritis vaccines.
On May 25th, 2020. See this statement in context.
On May 25th, 2020. See this statement in context.
Full Professor, Department of Microbiology, Infectious Diseases and Immunology, Faculty of Medicine, Université de Montréal, Medical Microbiologist and Epidemiologist, CHU Sainte-Justine, As an Individual
For COVID, no, not yet, but papers were published for gastroenteritis vaccines.
See context to find out what was said next.