Infant health
Learning Center
Infant development: Milestones from 7 to 9 months
Milestones for most 7- to 9-month-old infants include improved motor and language skills.
Infant development: Milestones from 4 to 6 months
Milestones for most 4- to 6-month-old infants include increased alertness and evolving motor skills.
Infant development: Milestones from 10 to 12 months
Budding curiosity drives infant development between ages 10 and 12 months.
Infant development: Birth to 3 months
Expect your baby to change dramatically in the first few months.
How well do face masks protect against COVID-19?
Face masks can help slow the spread of coronavirus disease 2019 (COVID-19). Learn about mask types, which masks to use and how to use them.
Herd immunity and COVID-19: What you need to know
To protect groups of people over time, it helps to know what level of recovery or vaccination in a population makes it hard for a germ to spread.
Helping baby sleep through the night
Help your baby sleep through the night.
Health issues for lesbians and other women who have sex with women
Understand health concerns for lesbians and other women who have sex with women, and take steps to promote good health.
Health issues for gay men and other men who have sex with men
Understand health concerns for gay men and other men who have sex with men, and learn how to promote good health.
Hand-washing: Do's and don'ts
Done properly, hand-washing is a simple way to prevent the spread of germs and avoid getting sick.
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