New Covid subvariants BA.4 and BA.5 are the most contagious yet – and driving Australia’s third Omicron wave - The Guardian
7/4/2022 12:00:00 AM2 years 10 months ago
by Guardian staff reporter
by Guardian staff reporter
The latest variants are masters at evading immunity – meaning previous infection and vaccines are unlikely to provide much protection against catching it
Australia is heading for its third Omicron wave in the coming weeks, as BA.4 and BA.5 become the dominant Covid strains. BA.4 and BA.5 are more infectious than previous Covid variants and subvariant… [+6361 chars]
full article...