China's inhalable COVID vaccine may boost antibodies 300-fold https://ift.tt/eA8V8J

The study suggests a heterologous (mix-match vaccine regimen) prime-boost regimen to increase the breadth, intensity and duration of the immune response, more than a homogeneous (same vaccine regimen) booster shot,

from Zee News :Zee News - Health https://ift.tt/3BWbADa