DEAR ABBY: I am having a baby in five months. My doctor is recommending that anyone who visits the baby in the first three months be up to date on vaccines (Tdap, flu, COVID and RSV, if age 60-plus). We have decided to follow our doctor’s recommendations. Some of my family members are resistant to getting these vaccines and want us to consider other options, like testing and wearing a mask, which is not as safe. Also, it would be hard for younger kids to do — my niece is 3. Abby, we vaccinated our young children (3 and 5)...