As the United States struggles to contain a resurgence of measles that has swept through swaths of the Southwest, neighboring countries are responding to their own outbreaks. Canada has reported more than 730 cases this year, making this one of…

As the United States struggles to contain a resurgence of measles that has swept through swaths of the Southwest, neighboring countries are responding to their own outbreaks. Canada has reported more than 730 cases this year, making this one of…
Nolen: The first TB patient that I sat down with in Nairobi was a man who had extensively drug-resistant tuberculosis, or XDR-TB — essentially there’s a just a very slim chance that the only drugs we know about will actually…
Bit by bit, the traces of Shanghai’s coronavirus lockdown in 2022 have disappeared from around Fu Aiying’s stir-fry restaurant. The smell of rotten eggs, from when officials carted her off to quarantine without letting her refrigerate her groceries, is long…
We asked 19 photographers to revisit their most enduring images of the coronavirus pandemic, five years after the virus became a global threat. Their photographs transport us to that bewildering period in an uncanny sort of time travel. The journalists…
Dangerous pathogens left unsecured at labs across Africa. Halted inspections for mpox, Ebola and other infections at airports and other checkpoints. Millions of unscreened animals shipped across borders. The Trump administration’s pause on foreign aid has hobbled programs that prevent…
The mystery behind an unknown illness that has killed dozens in the Democratic Republic of Congo just 48 hours after they first showed symptoms deepened after the World Health Organization on Friday offered a new theory that seemingly contradicts African…