NEW DELHI (AP) — India reported nearly 55,000 new coronavirus cases Sunday and the Philippines recorded another daily high to surpass 100,000 total infections, while Florida braced for a tropical storm that threatened to hamper anti-disease efforts.
A curfew was imposed on Australia’s second-largest city, Melbourne, following a spike in infections.
The World Health Organization on Saturday warned the coronavirus pandemic was likely to be "lengthy" after its emergency committee met to evaluate the crisis six months after sounding the international alarm.
Billions of dollars are being invested in the development of vaccines against the coronavirus. Until one arrives, many scientists have turned to tried-and-true vaccines to see whether they may confer broad protection, and may reduce the risk of coronavirus infection, as well.
Old standbys like the Bacille Calmette-Guerin tuberculosis vaccine and the polio vaccine appear to help train the immune system to respond to a broad variety of infections, including from bacteria, viruses and parasites, experts say.
As an epidemiologist or “disease detective,” a question I am frequently asked regarding SARS-CoV-2 (the virus that causes COVID-19 disease) is: “How does someone become infected?”
