At least 190 villagers have tested positive for the virus since late last month.
The head of the group says accusations of underreported sales lack proof.
The medical practitioner admits to reusing needles while treating patients.
All 13 are under UN protection and will undergo screening for refugee status.
The opposition says the move will end animosity between lawmakers and advance the democratic process.
The interference from local authorities comes despite assurances of cooperation from the government.
He urges villagers to remain calm while experts review suspected cases.
Health officials say the virus has spread to young and old alike.
A health official suggests contaminated needles are to blame.
The Justice Ministry says the king’s written request has been submitted to the Supreme Council of Magistracy.
When found, the refugees from Vietnam’s Central Highlands will have to go through a screening process.
They hand petitions to lawmakers calling for an end to the use of violence against people, and to land grabs.
The pledge follows local interference in attempts to assess the needs and status of the group.
Supporters deliver petitions to embassies ahead of Human Rights Day.
The recent death of a homeless man in one of the facilities prompts an outcry.
Local authorities refuse to help pending instructions from Phnom Penh.
The agency wants to determine the group’s status after a month of hiding in the jungle.
It says the 13 asylum seekers should be allowed to pursue refugee claims.
Differences remain on who will appoint its members.