under 2 years of age vs less than 2 years of age

Both 'under 2 years of age' and 'less than 2 years of age' are correct and commonly used phrases in English. They are interchangeable and convey the same meaning.

Last updated: March 25, 2024 • 2026 views

This phrase is correct and commonly used in English.

"under 2 years of age"

This phrase is used to describe the age of a person or thing as being below 2 years.

Examples:

Children under 2 years of age require special care.
The toy is suitable for children under 2 years of age.

Show examples from the web [+]

Children under 2 years of age should not take Norvir.
Protopic should not be used in children under 2 years of age.
Studies in new-born infants or infants and toddlers under 2 years of age have not been conducted.
The use in children under 2 years of age is contraindicated (see "Contraindications").
Efficacy and safety of {INVENTED NAME} in children under 2 years of age has not been established.
Protopy should not be used in children under 2 years of age. ed
The use of < Invented Name > in patients under 2 years of age is not recommended until further data become available.
< Invented Name > is not approved for children younger than 2 years of age.
The vaccine protects adults and children from 2 years of age against cholera.
For children from 2 years through 5 years of age, a single dose immunisation schedule was used.
Experience with Mycamine in patients less than 2 years of age is limited.
Lopinavir co-formulated with ritonavir is recommended for children 2 years of age and older.
Children less than 2 years of age and with haemodynamically significant congenital heart disease.
- Protopic ointment is not approved for children younger than 2 years of age.
There are limited pharmacokinetic data in children below 2 years of age.
Efficacy data from clinical trials in paediatric patients 6 months to 2 years of age with persistent asthma are limited.
Efficacy data from clinical trials in paediatric patients 6 months to 2 years of age with persistent asthma are limited.
Thus Lamictal is not recommended for use in children below 2 years of age.
In accidental overdose in children younger than 2 years of age, the maximum reported dose has been 180 mg.
DUKORAL is indicated for active immunisation against disease caused by Vibrio cholerae serogroup O1 in adults and children from 2 years of age who will be visiting endemic/ epidemic areas.

Alternatives:

less than 2 years of age
below 2 years of age
under the age of 2
under 2 years old

This phrase is correct and commonly used in English.

"less than 2 years of age"

This phrase is used to indicate that someone or something is younger than 2 years old.

Examples:

The recommended diet for infants less than 2 years of age is different.
Puppies less than 2 years of age are considered young adults.

Show examples from the web [+]

Experience with Mycamine in patients less than 2 years of age is limited.
Children less than 2 years of age and with haemodynamically significant congenital heart disease.
- CARCASES OF UNCASTRATED YOUNG MALE ANIMALS OF LESS THAN 2 YEARS OF AGE,
Children less than 2 years of age Because of the rarity of data on treatment with hydroxycarbamide in children less than 2 years of age, dosage regimens have not been established and thus, in this population, the treatment with hydroxycarbamide is not recommended.
In Europe, the estimates of effectiveness in children less than 2 years of age range from 51% to 79% when considering vaccine coverage against serotypes causing invasive disease.
Ritonavir steady-state pharmacokinetic parameters were evaluated in HIV infected children less than 2 years of age receiving doses ranging from 350 to 450 mg/m² twice daily.
Children less than 2 years of age and requiring treatment for bronchopulmonary dysplasia within the last 6 months.
Kaletra is not recommended for use in children less than 2 years of age because of limited efficacy and safety data.
Ritonavir steady-state pharmacokinetic parameters were evaluated in HIV infected children less than 2 years of age receiving doses ranging from 350 to 450 mg/m² twice daily.
Therefore, DUKORAL is not recommended to be used in children less than 2 years of age.
Antibody concentrations were similar to those achieved following a three-dose infant series and a booster dose at less than 2 years of age.
Consequently, Prevenar should cover between 54% and 84% of isolates from invasive pneumococcal disease (IPD) in European children less than 2 years of age.
Children less than 2 years DUKORAL has been given to children between 1 and 2 years of age in safety and immunogenicity studies, but the protective efficacy has not been studied in this age group.
< Invented Name > is not approved for children younger than 2 years of age.
- Protopic ointment is not approved for children younger than 2 years of age.
In accidental overdose in children younger than 2 years of age, the maximum reported dose has been 180 mg.
VFEND should not be given to children younger than 2 years of age.
Kaletra should not be administered to children younger than 2 years of age unless specifically directed by their doctor.
Infants are defined as persons who are les than 2 years of age.
The MAHs should measure the off-label use of pimecrolimus in patients of less than 2 years.

Alternatives:

under 2 years of age
below 2 years of age
under the age of 2
under 2 years old

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under 2 years of age vs less than 2 years of age