The measles outbreak in West Texas didn’t happen just by chance.

Experts are still cautioning against attending big sporting events during the pandemic, but say there are ways to make it safer if you go.

Coronavirus infections are surging again in the region of northern Italy where the pandemic first took hold in Europe, renewing pressure on hospitals and health care workers. Well after Europe seemed to have largely tamed the virus that proved so lethal last spring, newly confirmed infections are reaching unprecedented levels in Germany, the Czech Republic, Italy and Poland. Dr. Hans Kluge, the head of the World Health Organization’s Europe office, urged governments to be “uncompromising” in controlling the virus. So far in the new surges, deaths have not increased at the same pace as infections. And nursing homes, which were ravaged by the virus last spring, have gotten better at controlling infections.