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A
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government organization in the United States.
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A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Sequential multihost isolation method A. In each step, one host was adopted to enrich and collect phages that can infect this host. The phage that can form plaques on the lawn of the last host is theoretically the one that can infect all the hosts.
