COVID-19: BA.5 spread has differed from one country to another; here is why

Eric Topol, a US-based professor of molecular medicine, argues it is the immunity wall of a country that plays a decisive role in whether BA.…

Omicron’s BA.5 sub-variant is 4 times more vaccine-resistant

Study finds sub-lineage behind rise in COVID-19 cases in Europe, US

Clever coronavirus: Spike mutations help Omicron dodge antibodies

Research findings can help developers of vaccines, treatments understand what part of novel coronavirus to target    

Experts suggest updating vaccines for new variants. How does it work & what are the challenges?

It is easier to update certain vaccine platforms than others, say experts

Update COVID-19 vaccine to target omicron variants: Advisory panel to USFDA

Unclear which combination of updated vaccine will work best; body expected to decide by July

COVID-19: Omicron's stealthy behaviour behind reinfections in people with immunity, says new study

People infected with initial strains had less sustained antibody response to omicron, scientists find

COVID-19: What’s driving Portugal’s high caseload, toll despite impressive vaccination rates?

Around 87% of Portugal’s population is fully vaccinated & over 65% received boosters 

COVID-19 in South Africa: what to expect in the short and long term

Fallout from pandemic put significant obstacles in the way of managing patients with chronic illnesses

COVID-19: What we know so far about fresh case surge in South Africa

In April, more than half the samples sequenced in South Africa were reported as BA.4 and BA.5 

COVID-19: INSACOG shares genome sequencing data after a gap of 3 months 

India sequenced 89,860 samples between January and April, according to the latest bulletin. The total is now 240,570 sequenced samples  

Are booster doses for COVID-19 vaccines the new normal?

Making boosters integral to India’s containment strategy can trigger medical, ethical dilemmas 

WHO begins monitoring two new variants of COVID-19 named BA.4 and BA.5

The move comes in the footsteps of the global health body declaring two more variants in circulation named XE and XD

Shanghai COVID-19 update: No relief from lockdown in sight amid record case surge

Economic activities have come to a halt; military deployed to help tackle situation

COVID-19 update: Deltacron & omicron subvariant — 2 looming threats?

COVID-19 cases are on the rise in the United States, countries in Europe and Southeast Asia

COVID-19 update: Why are we at a ‘tip of iceberg’ again

The head of Israel’s COVID-19 response has however said there was no cause to worry as of now

COVID-19 resurgence: Cases rise in China, Europe and New Zealand

Hong Kong and New Zealand facing huge waves; situation in Hong Kong similar to India delta wave

China goes back to lockdowns amid worst COVID-19 outbreak in 2 years

The latest surge is driven by the omicron variant of COVID-19

New COVID-19 data: South Africa has arrived at the recovery stage of the pandemic

Another resurgence is likely, and there might well be another variant

COVID-19 cases, deaths on the decline in all regions except Western Pacific, Africa

Western Pacific Region and Africa recorded 21% and 20% increase in the number of new weekly deaths respectively

Winter surge: What latest IHME COVID-19 update hints at

Three-fourths of the United States is immune to an omicron infection and this figure is set to grow as the COVID-19 wave recedes

SARS-CoV-2 changes classic feature of virus becoming endemic: Shahid Jameel

Shahid Jameel, former head of the Indian SARS-CoV-2 Genomics Consortium, speaks to DTE about how a virus mutates, the trajectory of COVID-19,…

South African scientists on the inside story of discovering omicron – and what their experience offers the world about future variants

The global community needs to make a stance that when countries start reporting data, they’re not going to be penalised for it, say South …

COVID-19: Kerala’s alarming positivity rate challenges earlier claims of effective containment

Over the last week, the number of cases added increased 191%

COVID-19 update: Why did UK call BA.2 a ‘variant under investigation’?

At least 40 countries have detected this omicron sub-lineage since November 17, 2021    

Omicron reinfection: How likely is it? Experts weigh in

The sensitivity of RT-PCR tests may play a role in this phenomenon, Indian researchers think