COVID-19 has brought attention back to deadly viruses. Meet hard-working scientists in Singapore and elsewhere racing to identify emerging pathogens, battle existing viruses and co-operate to find urgently-needed treatments and vaccines.
As we enter the second year of living with the new coronavirus SARS-CoV-2, the virus is celebrating its invasion of the world’s population with yet more mutated forms that help it to spread more easily from person to person.