Breakthrough cases and immunity

‘Stealthy’ new Covid variant can reinfect you every month

Health experts across the globe are signalling alarm as they begin reporting that Omicron BA.5, the coronavirus strain that is currently outpacing other variants in infection and has become the dominant strain in the US and abroad, has the ability to reinfect people within weeks of contracting the virus.

though previously the wisdom held that most people would retain a certain level of protection against reinfection if they were vaccinated or had retained some level of natural immunity due to a recent contraction of the virus, this hasn’t been the case with the most recent strain.

“What we are seeing is an increasing number of people who have been infected with BA.2 and then becoming infected after four weeks”

The ability for strains BA.4 and BA.5 to reinfect individuals who would in previous waves of Covid-19 had stronger immunity has led some experts to start calling this latest strain the most transmissible yet.

“They’re taking over, so clearly they’re more contagious than earlier variants of omicron”

“a wall of immunity”, nations are instead experiencing “wave after wave of new cases”

It is a kind of stealth virus that gets in under the radar.