The flu vaccine changes every year. The flu vaccine is based on a predicted strain that is anticipated to be the most infectious that year. Thats why people who sometimes get the vaccination still get the flu, they don't have the antibodies for the strain they were infected with. Strains for viral disease don't change very much and usually the vaccination for them cover them well.
I think its (Haploid with 46) but i am not sure sorry
<span>the answer would be animals can produce and have fertile offspring </span>
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Atmosphere of the early earth + lighting = paleolightning
<span>A person who eats and sleeps too much is experiencing a depressive episode with psychotic features. Psychotic features can impact a person's mood negatively and cause them have hallucinations or delusional feelings of depressive themes such as worthlessness or lacking a sense of self-worth.</span>