TLT Vaccine
Just read this and thought there still is a window for our Vaccine COVID-19 vaccinations are at a critical juncture as companies test whether new approaches like combination shots or nasal drops can keep up with a mutating coronavirus -- even though it's not clear if changes are needed. https://www.ctvnews.ca/health/coronavirus/covid-19-shots-still-work-but-researchers-hunt-new-improvements-1.5873959