COVID-19: What you need to know about the coronavirus pandemic on 4 April

1. How COVID-19 is impacting the globe

2. The global economy is set for its sharpest reversal since Great Depression, IMF warns

“This is a crisis like no other,” said Kristalina Georgieva, Managing Director of the International Monetary Fund (IMF), at a conference organized by the World Health Organization yesterday.

“Never in the history of the IMF have we witnessed the world economy coming to a standstill,” she said. “It is way worse than the global financial crisis.”

Georgieva's speech followed in the wake of more startling economic data to emerge from the US, which now has more confirmed cases of COVID-19 than any other country in the world. The US economy lost 710,000 jobs in early March, ending a run of 113 months continuous job growth. The official figures were far worse than many economists had predicted.

Earlier this week, data showed that the number of Americans seeking unemployment benefits hit a record high for the second week in a row. More than 6.6 million people filed jobless claims in the week ended 28 March, the Department of Labor said.

3. How the IMF will help vulnerable economies now

Emerging markets and developing nations are hit especially hard by lockdowns and need special help. At the briefing with the World Health Organization, Kristalina Georgieva also outlined key measures that the IMF will take to help the world's most vulnerable. These include:

3. Why a coronavirus vaccine takes over a year to produce – and why that is incredibly fast

The international community is working together like never before to produce a coronavirus vaccine. The clinical trial process designed to test whether new vaccines are both safe and effective typically involves several phases and takes approximately ten years, but governments and industry are making efforts to expedite the process, and even intersperse animal testing throughout, while maintaining safety and efficacy standards. If a vaccine is developed in the timeline predicted, then people will have a preventative option should COVID-19 recirculate next year.

4. Why Robert J. Shiller says COVID-19 has brought about two pandemics, not just one.
The public is currently coping with two pandemics, says economist Shiller: a viral pandemic, brought on by a contagion; and a pandemic of financial anxiety brought on by the economic impact of shut businesses and cratering stock prices. This financial anxiety is not logical, is highly reactive and often has a life of its own. To predict the stock market now, said Shiller, requires both understanding the economic effects of the pandemic as well as the real and psychological effects of financial anxiety. Said Shiller: "The two are different, but inseparable."

5. How the UK's COVID-19 symptom tracker is helping health providers plan

Academics from King's College London recently created a symptom tracker app to learn how coronavirus is impacting the UK. Through the app, citizens document any COVID-19 related symptoms, allowing for the outbreak to be tracked on a population-wide scale. The data from the app is being made available every day to policymakers, NHS services and academic researchers.

While the app is informing experts in real-time regarding COVID-19 symptoms, it's also revealing how fast the disease is spreading and helping to identify geographical hotspots. These updates are helping decision-makers allocate limited NHS resources more efficiently and monitor the impact of policy measures, such as social distancing.