Determine if the sentence is true based on the text below. Choose from options.
Chernobyl disaster had repercussions outside ex-USSR.

A large proportion of young children in Ukraine suffer from various health problems that have probably gone undiagnosed until now, but which are being detected in connection with the Chernobyl disaster. This could well point to a weak health care system and harsh living conditions.
Available choices: [I] yes [II] no
[II]