I believe it is viral, they can not be treated with antibiotics but can be prevents with vaccines.
2 and 3, it could be all, depending on the situation
73 years. But if it’s multiple choice then A) 73 years
Answer:
Bifidobacterium bifidum 30–70%
Answer:
natural ammunity
Explanation:
immunity possessed by a species or race that is present in an individual at birth prior to exposure to a pathogen or antigen.
