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Vidcast: https://youtu.be/C069WrAoDQ8
From TikTok viewer (user iii_1986_iii): Is it true that once you’re immune, you’re immune because if not that would make literally every vaccine ever manufactured worthless.
We all wish that were true. Even for# influenza, a yearly booster with different antigens is required. #Tetanus requires a 10 year booster. Even childhood vaccinations such as #MMR and #polio must be repeated if you are planning travel into an area where these diseases are present. All immunity wanes over time.
In the case of #Covid, the virus is mutating and the currently available vaccines made against the original strain are not completely protective. Boosters are now under development by Moderna and Pfizer.
If you have a Tell Me Why, ask it via my TikTok, YouTube, or Instagram channels or email me at [email protected].
By Howard G. Smith MD, AM
Vidcast: https://youtu.be/C069WrAoDQ8
From TikTok viewer (user iii_1986_iii): Is it true that once you’re immune, you’re immune because if not that would make literally every vaccine ever manufactured worthless.
We all wish that were true. Even for# influenza, a yearly booster with different antigens is required. #Tetanus requires a 10 year booster. Even childhood vaccinations such as #MMR and #polio must be repeated if you are planning travel into an area where these diseases are present. All immunity wanes over time.
In the case of #Covid, the virus is mutating and the currently available vaccines made against the original strain are not completely protective. Boosters are now under development by Moderna and Pfizer.
If you have a Tell Me Why, ask it via my TikTok, YouTube, or Instagram channels or email me at [email protected].