Aid groups warn any invasion would add to already-catastrophic conditions for Gaza's 2.4 million people
The Philippines has seen a jump this week in cases, including people who recently attended events with Senate lawmakers and government officials, potentially exposing them. (Coronavirus outbreak: All the latest updates)
In response, the Senate building and Philippine central bank were undergoing cleaning, and several officials announced they would isolate themselves as a precaution.
Duterte, who at 74 is in a vulnerable age group for the virus, will be tested because he has been in regular contact with some of those officials.
"It is just prudent for us to take precautionary measures in compliance with the advice of our health officials," said Duterte ally and Senator Christopher "Bong" Go, adding he too was to be tested.
Hours after the news, trading in Manila's stock market was halted for only the second time ever as it plunged 10 percent in the latest rout to hit global equities over the virus.
The Philippine Stock Exchange reopened 15 minutes later and ended 9.71 percent, or 616.99 points, lower at 5,736.27, its lowest level in more than six years.
The cutoff mechanism was adopted over a decade ago, and until Thursday had only been used on October 27, 2008, the exchange said on Twitter.
Duterte's health has been a recurring source of speculation in the Philippines since in 2016 he became the oldest person elected as the country's president.
Finance Secretary Sonny Dominguez and central bank head Benjamin Diokno were two of the officials who were isolating themselves.
The Philippines has a relatively small number of confirmed cases compared to hotspots like China and Italy, but its tally has risen from 24 to 49 since Monday.
Health authorities also announced the nation's second death, the first since an infected Chinese tourist died last month.
Aid groups warn any invasion would add to already-catastrophic conditions for Gaza's 2.4 million people
The American they will face Australia and Serbia on July 15 and July 17 as part of their preparation for the Paris Olympic Games
The leaders emphasise that the deal to release the hostages would bring an immediate and prolonged ceasefire in Gaza
Dubai-based Sumit Augustine has had a philosophical approach towards spending
The regional upswing also defies oil production cutbacks
It's a treatise that would determine the course of your life, not just academically, but as a person too
A US-based company is developing an eVTOL aircraft for commercial passenger service and is expected to start operations by 2025 or early 2026
The project’s aim is to generate funds for Harmony House, an orphanage located in India's Gurgaon