COVID-19: What you need to know about the coronavirus pandemic on 21 April

1. How COVID-19 is affecting the globe

Confirmed cases of COVID-19 have passed 142.96 million globally, according to Johns Hopkins University. The number of confirmed deaths stands at more than 3.04 million. More than 919.6 million vaccination doses have been administered globally, according to Our World in Data.

India recorded 295,041 new infections recorded overnight and 2,023 deaths, the country's highest in the pandemic, as the second wave continues to spread fast.

The government in Japan is considering a state of emergency for Tokyo and Osaka as new COVID-19 case numbers surge, according to broadcaster NHK. Tokyo reported 843 new infections on Wednesday – the highest since 29 January, when its previous state of emergency was in place. Cases in Osaka are even higher and reached a record 1,351 on 13 April.

Johnson & Johnson will resume its COVID-19 vaccine rollout in Europe after health regulator the European Medicines Agency said the benefits of the shot outweigh the risk of very rare, potentially lethal blood clots.

Infections in Papua New Guinea passed 10,000 on Wednesday, causing concern among health officials that the Pacific country's fragile health system is at risk of being overwhelmed.

France has become the first EU country to test a digital coronavirus 'health pass', which will record vaccination and test information, allowing people to travel.

The CFO of German COVID-19 vaccine maker BioNtech, Sierk Poetting, said it could build up further capacity in six months depending on demand. With US partner Pfizer, it plans produce 2.5 billion doses this year, rising to 3 billion shots in 2022.

2. Oxygen supplies running low in Indian capital Delhi

Hospitals in India's capital Delhi are running low on medical oxygen – with just four or five hours' worth in some private hospitals, reports Reuters.

Prime Minister Narendra Modi said India faced a coronavirus "storm" overwhelming its health system and that the government was working with state governments and private companies to deliver oxygen with "speed and sensitivity".

"The central and state governments as well as the private sector are together trying to ensure oxygen supplies to those in need. We are trying to increase oxygen production and supply across the country," Modi said in a televised address on Tuesday evening.

India has recorded more than 200,000 new COVID-19 cases daily for the past seven days, marking the world's steepest rise this month.

3. Languishing: Why it's important to name our emotions during COVID-19

'Languishing' may be the best way to describe how we feel in 2021, according to US organizational psychologist Adam Grant.

The term was first coined by sociologist Corey Keyes to describe the state when people are neither depressed or flourishing.

We need to recognize this "neglected middle child" of mental health, Grant writes in the New York Times, because naming our emotions is the key to understanding and managing them.

"Languishing is a sense of stagnation and emptiness. It feels as if you’re muddling through your days, looking at your life through a foggy windshield. And it might be the dominant emotion of 2021.

"As we head into a new post-pandemic reality, it’s time to rethink our understanding of mental health and well-being. 'Not depressed' doesn’t mean you’re not struggling. 'Not burned out' doesn’t mean you’re fired up. By acknowledging that so many of us are languishing, we can start giving voice to quiet despair and lighting a path out of the void."