meuhedet is 105.5 shek a month you should sign up right when you come. they have hundreds of doctors and locations in jerusalem and you are covered for many things plus there are 3 levels 1)reg. 2)adif 3)C for more info go here http://lang.meuhedet.co.il/
PS if this child has not yet done the dor yesharim test you can get adif for 1 month to do the test bec with adif it costs under 200 shek then cancel your adif
The Foreign Members Plan seems to be 422 shekels/month
Target audience
Anyone residing in Israel who is not insured as defined in the National Health Insurance Law, provided that such a person is under the age of 65. This includes: returning residents, Yeshiva students, students coming to study in Israel, the children of Israelis who have returned from abroad and who have not yet received identity numbers, and children who are adopted or require a waiting period under Article 58 of the Law.
Foreign workers as defined in the Workers Law 5751-1991, tourists, diplomats, foreign citizens, and those who do not wish to be assigned “Israeli resident” status at the National insurance Institute.
Citizens who have lost “Israeli resident” status (because of their residence abroad).