Human Rights Watch says the restrictions, put in place last year on Rakhine and Chin states, are leaving some unaware of the pandemic. The restrictions are said to affect more than 1 million people.
Crowded, unsanitary conditions in the camps — located across the border from Myanmar in Bangladesh — threaten a rapid escalation of infections among the 1 million refugees living there.
The outgoing U.N. monitor for human rights says Myanmar's military has attacked civilians in Rakhine and Chin states, including children. Myanmar is also accused of genocide against Rohingya Muslims.
The International Court of Justice is considering whether to grant a provisional measure that would protect Rohingya still living in Myanmar's Rakhine state.
"The United States is the first government to publicly take action with respect to the most senior leadership of the Burmese military," the U.S. State Department said Tuesday.
Wa Lone and Kyaw Soe Oo were jailed for allegedly violating Myanmar's Official Secrets Act. They claimed they were framed by police after uncovering evidence of a massacre against Rohingya Muslims.
"We're being outnumbered by the sheer number of the refugee population," says Mohammad Abul Kalam, the head of Bangladesh's Refugee Relief and Repatriation Commission in Cox's Bazar.