How does the second COVID-19 vaccine dose work on the human body

How does the second COVID-19 vaccine dose work on the human body

The photo has been used for illustrative purposes. Gulf Today, Staff Reporter The UAE Ministry of Health and Prevention (Mohap) has highlighted the importance of second dose of the COVID-19 vaccine. The ministry said that the vaccine prepares the body to fight the infection caused by viruses or bacteria. The vaccine contains inactivated or weakened particles of the virus that causes the disease, or contains the genetic code works to provoke an immune response. This helps the body to recognise foreign invaders and produce antibodies to fight them. The health authorities said, "Adhering to all the vaccine doses and to all recommended precautionary measures, such as wearing a mask, social distancing and washing hands, would stop the spread of COVID-19 virus in the society." The authorities said most vaccines need a second dose to provide adequate protection. The vaccine activates two types of cells, but they are short-lived. The second dose is a tool to expose the body again to antigens (molecules) that exist in the disease and triggers immune response when receiving the second dose, antibodies appear again in the body in larger numbers. The ministry also spoke about the herd immunity. It said herd immunity is a form