Provide two reliable resources that you would recommend to parents to educate themselves about the vaccine.

What is the most common blood type in the u.s.?

What is the function of reverse transcriptase in retroviruses? a) it uses viral rna as a template for dna synthesis.b) it converts host cell rna into viral dna.c) it translates viral rna into proteins.d) it uses viral rna as a template for making complementary rna strands.

Results from damage to tiny air sacs in the lungs