Some 60,000 pregnant women are at risk due to lack of health care, as are 350,000 people suffering from chronic diseases due to medication shortages, according to the statement.
Since the Israeli army began its attacks, it had detained more than 5,000 Palestinians in Gaza, it added.
Israeli soldiers have detained 310 healthcare workers and 20 journalists, while 2 million people out of Gaza's 2.3 million population have been displaced, the statement stressed.