An American biochemist whose research has helped scientists make inroads on treating coronavirus and HIV has won this year's Wolf Prize, a major Israeli award in the arts and sciences. The Wolf Fund said Professor Pamela Björkman of Caltech has "unlocked the secrets of how the immune system identifies and battles pathogens, developing game changing approaches to combat some of humanity's most formidable viral enemies." Eight others also received the state-funded prize, which has been awarded annually for 47 years. Many of the award winners have gone on to receive Nobel prizes.

The head of the U.N. AIDS agency says the number of new HIV infections could jump more than six times by 2029 if American support of the biggest AIDS program is dropped. UNAIDS Executive Director Winnie Byanyima warned that millions of people could die and more resistant strains of the disease could emerge. Since President Donald Trump's announcement the U.S. would freeze all foreign assistance for 90 days, Byanyima said officials estimate that by 2029, there could be 8.7 million people newly infected with HIV, a tenfold jump in AIDS-related deaths of 6.3 million and an additional 3.4 million children made orphans.

That fateful weekend 25 years ago began with me feeling a vague sense of anxiety, which had its origins in the mood swings that my brother Ron…