Economy

When will the economy return to normal?

It has been only three months since reports first emerged from China of an unknown virus causing unusual cases of pneumonia. Scientists and public health experts already know more about it and how it works than at the same point in earlier outbreaks.

But there’s still a lot they don’t know. As the new coronavirus (Covid-19) continues to spread around the world, here are some of the most important questions researchers and doctors – as well as policymakers and economists – are still trying to answer: How contagious is the virus?

The virus spreads from person to person through small droplets from the nose or mouth via coughing or sneezing, according to the World Health Organization (WHO). It can persist on most surfaces up to several days, so in addition to directly inhaling the virus, you can become infected by touching something that has been contaminated and then touching your own nose, mouth or eyes. There is some evidence that virus particles in the feces of an infected person can transmit the disease through contact, but that remains unconfirmed.

Are younger people less likely to die from the virus?
Younger people, while less vulnerable, can still develop COVID-19 – the disease caused by the SARS-CoV-2 coronavirus – severe
enough to require hospitalization. Just how much safer they are is still unanswered. The WHO says older people with pre-existing conditions – such as chronic obstructive pulmonary disease or asthma, high blood pressure, diabetes and heart disease – appear to develop serious illness more often than others, while a U.S. health official said the mortality rate in males appears to be twice that of women in every age group. Health officials have cautioned that anyone with those underlying conditions, as well as those with weakened immune systems, are at increased risk.

Can people be re-infected?
This is a key question – and we don’t yet know the answer. There are a handful of cases of possible “reinfection” in recovered patients. But most scientists believe those are more likely to have been relapses. A patient may feel better and test negative for the virus in their nose and throat, while the virus remains elsewhere in their body. Fully recovered patients have antibodies in their blood that should protect them from fresh infection, but we don’t know how long those antibodies will last.

With some viruses, antibodies fade faster. Even if they do persist, SARS-CoV-2 might undergo small changes over time, as flu viruses do each year, rendering the antibodies ineffective. Several academic laboratories and medical companies are looking to produce blood tests to figure out who has been exposed to the virus and whether some people have developed immunity. Serological testing will also give a better picture of the full extent of the pandemic.

How long will the pandemic last?
We don’t know. It will depend on a range of factors, from how long people continue to isolate and avoid group gatherings to when
effective drugs or a vaccine become available. President Donald Trump said this week that he hopes to “reopen” the U.S. economy by Easter Sunday on April 12. But he has faced criticism that such a timetable is too rushed and could lead to more people dying. In Hubei province, the epicenter of China’s coronavirus outbreak, life has started to return to normal after two months of lockdown. It remains to be seen whether such a return to normal spurs another outbreak.

Does the amount of exposure to the virus determine how sick someone gets?
Viruses enter the body and infect cells, using them as factories to make many millions of copies of themselves, so the number of virus particles that first enter the body has little effect on the eventual amount of virus in the system. At the same time, more frequent exposure does increase the chance that the virus will enter the body in the first place.

When will the economy return to normal?
The International Monetary Fund expects the pandemic will cause a global recession in 2020 that could be worse than the one triggered by the 2008 financial crisis. The depth of a recession, how long it will last and the nature of the recovery are a matter of debate. Economists say it will largely depend on how long the lockdowns last – around a quarter of all humanity is currently in lockdown – and how far government support goes in helping individuals, businesses and markets survive the crisis.

Are the trillions of dollars in emergency spending helping?
Central bank measures have sought to keep financial markets functioning, including areas that keep the real economy humming, such as the markets where companies go to raise short term cash to pay staff and where cities go to raise money for roads and schools. Steps taken by governments, such as the $2 trillion U.S. stimulus package, are expected to further help the economy by putting cash in the hands of individuals and providing additional funding to small businesses and companies. Such measures still need to work through the system, however, and it remains unclear whether they will be enough.

Is it a good time to invest?
Some investors and bank strategists are starting to look at whether people should buy back into the world’s stock markets, which have plunged some 25% from their highs in February. U.S. hedge fund manager Bill Ackman said this week he had turned increasingly positive on stocks and credit and was “redeploying our capital in companies we love at bargain prices that are built to withstand this crisis.” But with all the uncertainties, many more analysts and investors remain shy about calling the bottom of the market.

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