“The world has watched us learn in real time how to treat COVID-19.” Two years in, experts know a lot more about the coronavirus than they did at the start of the pandemic. Here’s a look at how the pandemic has changed.
More countries are shifting toward a return to normal and learning to live with the virus. Safe, effective vaccines have been developed and there’s better understanding of how to treat people sickened by the virus.
The virus mainly spreads through the air when an infected person exhales, talks, coughs or sneezes. It’s why health officials have encouraged the use of masks and ventilating spaces, instead of focusing on advice to wipe down surfaces as they did early on. COVID-19 vaccines were also developed in record time. As of early March, 10 vaccines have been cleared for emergency use by the World Health Organization.
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