Moderna vaccine Archives

Vaccines that protect us to survive-by Dr Harold Gunatillake Transcript: The availability of effective vaccines has had the most profound positive effect on improving the quality of public health by preventing infectious diseases. How does vaccines work to prevent specific infections? Vaccine injections are given into your arm or in oral drops for your immune system to fight germs- the invaders or antigens. Of course, vaccines are not given when you have a specific infection but given when not having that infection. You are given a weaker or attenuated version of a virus or bacteria in the form of a vaccine. Vaccines contain weakened or inactive parts of a particular organism (antigen) that triggers an immune response within the body. Newer vaccines contain the blueprint for producing antigens rather the antigen itself. ...

Why is Delta variant so transmissible?-By Dr Harold Gunatillake Transcript: Let us discuss the present and the future of the plight we are faced in with the Delta variant of SARSCoV2 virus and learning to live with it. Let’s look forward and upwards. We understand this Delta variant much better now than when it was first identified in India in December 2020. Delta variant is very worrying, it is highly contagious, highly transmissible, undergoing changes, and will be with us with more mutations for a very long time. While antibodies from COVIC-19 infection, not the vaccine, may offer some degree of protection against another future COVID infection, those who have already had the virus may still be vulnerable to the Delta variant, the current predominant strain, which is more contagious than the previous variants. So having had the COVID-19 infection is no guarantee that you will not get a breakthrough ...