The flu and the coronavirus disease 2019 (COVID-19) cause similar common symptoms. Flu vaccination could reduce symptoms that might be confused with those caused by COVID-19. Preventing the flu and reducing the severity of flu illness and hospitalizations could also lessen the stress on the health care system. Depending on your child's age and health, you might be able to choose between the. Latest on COVID-19 vaccination by site: Arizona patient vaccination updates Arizona. Instead of relying on Baby Einstein DVDs, concentrate on proven ways to promote infant development — such as talking, playing, singing, smiling and reading to your baby. Even if your baby doesn't understand what you're saying or grasp the plot of a story, he or she will soak in your words and revel in.