In February 19th, Cansino Biologics Inc(688185) Jinyu Bio-Technology Co.Ltd(600201) ‘s recombinant New Coronavirus vaccine (type 5 adenovirus vector), named “Ke Wei Sha”, was approved by China’s joint defense and joint control mechanism of the State Council, and became the first Chinese COVID-19 vaccine approved for sequential immunization. At present, the National Health Commission has begun to deploy sequential immunization.
It is understood that at present, there are two options for enhanced needle vaccination of covid-19 vaccine. One is to enhance vaccination along the same technical route, which is called homologous enhancement. The other refers to the alternative vaccination of vaccines with different technical routes, which is called sequential reinforcement.
