Another new coronavirus variant found in Japan The new mutant strain was detected in four infected people who arrived from Brazil, the health ministry said. UK looking at ways to protect itself against Brazilian COVID-19 variant, says PM JohnsonPrime Minister Boris Johnson said on Wednesday the government was looking at ways to stop a variant of the novel coronavirus found in Brazil from entering Britain. What we know about the new Brazilian coronavirus variantThe new variant, detected in Japan among travellers from Brazil, has 12 mutations, according to health officials COVID-19: UK 'taking steps' over coronavirus variant detected in Brazil, says Boris JohnsonThe PM did not announce a ban on travel from the country, but promised border controls were enough to stop infections from abroad. Japan says it's working to isolate and analyze new virus variantJapan is working to isolate and analyze a new variant of the coronavirus detected in four people who arrived from Brazil, a health ministry official said T New coronavirus variant found in Japan in travellers from BrazilIt differs from highly infectious variants first found in Britain and South Africa that have driven a surge in cases, the Japanese government said. Japan detects new COVID-19 mutation in travelers arriving from BrazilThe mutation was detected in four people who arrived at Tokyo’s Haneda airport on Jan. 2 after traveling from Brazil’s Amazonas state.