Sampling swabs found in the UK to detect mutations of new coronavirus variants again Source: विदेशी नेटवर्क, ब्रिटिश वैज्ञानिक: It was discovered that a sampling swab was found to detect the mutation of the new coronavirus variant again British passengers waiting to be tested Overseas Network, फ़रवरी 2 ब्रिटिश ब्रॉडकास्टिंग कॉर्पोरेशन की एक रिपोर्ट के अनुसार (बीबीसी) पर …