Is this correct English grammar?

[Wchanit]

Please help if this sentence is grammatically correct.

It is indicated that most children have been exposed to and were more susceptible to circulating rotaviruses from a very early age.

Thank you very much.

[Luschen]

@Wchanit

Please help if this sentence is grammatically correct.

It is indicated that most children have been exposed to and were more susceptible to circulating rotaviruses from a very early age.

Thank you very much.

It sounds correct to me.