Covid variants

With a setting straight from a spy thriller, the super-secure facility is researching world's deadliest pathogens

Concerns rise on the escalating case rates and a short supply of vaccines and treatments

Pakistani embassy in Tokyo says new categorisation will come into effect from July 27, urges precautionary steps

The US, the world's worst affected country, has lost more than one million people

In rare comments, UN agency stresses 'shift' in strategy considering the 'behaviour' of the virus

WHO chief concerned at increase in reported cases in the Americas and Africa

In addition to the fatal disease, the patient had serious underlying health conditions, including brain atrophy

The pandemic accounts for 13 per cent of all lost lives in the country last year

New cases are rising in 20 out of more than 240 countries and territories tracked

The country has registered 152,848 deaths linked to Covid-19 since its outbreak

The move comes amid concerns most-used jabs appear to be weaker against variants such as Omicron

Experts express concern that samples of BA 2 may not be spotted as a form of Omicron

Global health authority says measures imposed to curb its spread should be eased slowly

People with weakened immune systems can suffer from persistent Covid infections, often for months

The study also says that the variant is 'more able' to infect vaccinated people

The BA 2 subvariant is starting to outcompete BA 1 in parts of Europe and Asia

Technical team says it would consider a change in vaccination composition to make the shots more effective