4 ms·
The reason your immune system develops immunity to the bulb is that this is the part that presents itself. The stem is by its nature tucked away. I don’t see an
by idunnoman1222 2y ago
The reason your immune system develops immunity to the bulb is that this is the part that presents itself. The stem is by its nature tucked away. I don’t see any reason to think that an immunity to this part of the flu virus would be effective.