Kathmandu, 14 May: Experts have remarked that the coronavirus infected number may rise further along with intensifying PCR (throat swab) test. They have suggested to conduct PCR test in a wide range by stopping RDT. As more and more people are returning from India, coronavirus has already spread in the Tarai districts having borders with India. All Tarai districts are in danger zone as people are entering Nepal by escaping security force deployed in borders. Experts have suggested to conduct compulsory test on those who are returning from India. Accordingly, they have suggested to widen PCR test in the Kathmandu Valley, asking to conduct PCR test at least one person in a family or house to control spread of the pandemic effectively. People’s News Monitoring Service