Coronavirus Spreads In Iran, Infecting Deputy Health Minister

Iran's Deputy Health Minister tested positive for coronavirus, leading to his quarantine. The country has seen a surge in cases, with 15 deaths and 95 new diagnoses over a weekend. In response, Iran closed schools and universities in 14 provinces and tasked hospitals with handling the outbreak, though many are underprepared. Neighboring countries have closed borders or suspended flights to Iran. A WHO team was scheduled to assist but their visit was delayed.

Which countries have temporarily closed their borders to Iran?

What was the purpose of the World Health Organization's team scheduled to arrive in Iran?