U.K. Fights Mutant Covid Strain; London Begins Lockdown

The transcript discusses a new strain of the virus that has significantly impacted London, accounting for 70% of infections. The UK has seen a rapid increase in cases, prompting WHO to investigate the mutation. While European countries have restricted travel, the US has not imposed restrictions yet. New York's Governor Cuomo expressed concerns about flights from the UK, fearing a repeat of the spring outbreak.

How does the new strain compare in terms of deadliness and vaccine effectiveness according to current information?

What concerns did the Governor of New York express regarding flights from the UK?