Simon Loh, a pastor at Faith Assembly of God in Singapore, visited a hospital to pray with a church member who had contracted Severe Acute Respiratory Syndrome (SARS), the pneumonia-like condition that has spread panic in much of Asia and other parts of the world. Soon thereafter, Loh discovered that he, too, had SARS.

On March 26, Loh, 39, died.

As news of his death spread, many people stayed away from church. Those who came wore surgical masks and declined to shake hands, fearing they would catch the sometimes fatal malady.

SARS first emerged in southern China in November and spread to Hong Kong in March. A mainland Chinese medical professor passed the illness to seven other people in a Kowloon hotel in March. Then air travelers carried it to Singapore, Vietnam, and Canada.

As health fears increased in early April, 50 Christians gathered in a Hong Kong park, displaying a banner reading, "Don't be afraid, just believe."

Many are finding that difficult, including those in the pews. Most pastors wear masks when they speak. Worship leaders use a sterile wipe to clean the microphone after each use. Many churches are replacing the traditional peace handshake or embrace with a bow or a smile.

Nan Pin, his wife, Eleanor Chee, and their son, Matthew, 15, contracted SARS at their Kowloon apartment complex in early April. The couple directs the work of wec International in Hong Kong. Just before Easter, doctors placed Nan Pin into intensive care after his lungs collapsed. With the help of a ventilator, his lungs have begun to reinflate, but he remains seriously ill.

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Most Christians are staying put. At the Kowloon City Vineyard church, worshipers are not wearing masks.

"We don't object if anyone wants to wear one, but we do not announce ...