By Hyonhee Shin SEOUL (Reuters) – North Korea is ramping up production of drugs and medical supplies including sterilisers and thermometers as it battles an unprecedented coronavirus outbreak, state media KCNA said on Thursday. The isolated country, which has imposed a nationwide lockdown, is also increasing production of traditional Korean medicines used to reduce fever and pain, KCNA said, calling them “effective in prevention and cure of the malicious disease.” A sweeping COVID wave, which North Korea first confirmed last week, has fanned concerns over a lack of medical resources and vaccin…