InternationalWHO Calls Mixing & Matching Vaccines A “Dangerous Trend”TestHostEntryJuly 13, 2021June 3, 2022 by TestHostEntryJuly 13, 2021June 3, 2022 WHO Chief Scientist Soumya Swaminathan on Monday called it a “dangerous trend” since there was little data available about the health impact. Advising against people...