Time-dependent viral interference between influenza virus and coronavirus in the infection of differ

A new study carried out in pig cells suggests previous infection with swine influenza virus (SIV) can protect against the development of porcine respiratory coronavirus (PRCoV) if there is a zero- or three-day interval between infections. The findings, published in the peer-reviewed journal Virulence, may also be relevant to influenza and coronavirus infection in humans.…

Analysis reveals global ‘hot spots’ where new coronaviruses may emerge

Berkeley — Global land-use changes — including forest fragmentation, agricultural expansion and concentrated livestock production — are creating “hot spots” favorable for bats that carry coronaviruses and where conditions are ripe for the diseases to jump from bats to humans, finds an analysis published this week by researchers at the University of California, Berkeley, the…

The Vogueing Protesters of Bogotá, Colombia

For weeks, thousands of people have crowded the streets of Colombia, protesting inequality, rising poverty and police violence. President Iván Duque has deployed the country’s military and police forces, and more than 40 people have died. On April 28, during a demonstration in Bogotá, three young dancers confronted their fear of violence there through the…

Recipes for Memorial Day

Good morning. Here’s Oliver Wendell Holmes Jr. on Memorial Day, from an 1884 address he gave in Keene, N.H., “in the full tide of spring, at the height of the symphony of flowers and love and life.” It’s worth recalling before anyone heads out into a yard or park today to grill with friends, a…

The New Detectorists

People have been metal detecting since 1881, when Alexander Graham Bell invented a device to find the bullet lodged in President James Garfield. But it took several more decades for recreational metal detectors — devices that resemble “sort of a skillet on the end of a pole,” as one newspaper put it in 1927 —…