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On March 6, Trump signed the Coronavirus Preparedness and Response Supplemental Appropriations Act into law, which provided $8.3 billion in emergency funding for federal agencies.
On 9 March, Giovanni Malagò, president of the Italian Olympic Committee, announced that all sports events in Italy would be canceled until at least April 3. The ban does not cover Italian clubs or international games.
On 11 March, President Donald Trump announced the suspension of most travel from Europe (excluding the United Kingdom) for 30 days, beginning on 13 March. He also said that health insurance companies agreed to waive all co-payments for coronavirus treatments and extend insurance coverage to cover coronavirus treatments. The Department of Homeland Security clarified that the travel suspension only applied to the Schengen Area; it does not apply to European countries that are not members of the Schengen Agreement, such as the United Kingdom, the Republic of Ireland, Croatia, Albania, or Belarus. Furthermore, the travel ban does not apply to US citizens or permanent residents, or their family members or those traveling on certain types of visas.
According to CoinMetrics and Forbes, on 11 March, 281,000 bitcoins were sold by owners who held them for only thirty days. This compared to 4,131 bitcoins that had laid dormant for a year or more indicating that the vast majority of the bitcoin volatility on that day was from recent buyers.
On 13 March, U.S. President Trump declared a national emergency due to the virus outbreak. The action made federal funds available to respond to the crisis. Per media reports on 15 March, many businesses closed or reduced hours throughout the U.S. as a method to try to combat the virus.
On March 13, Xerox revealed that they are putting their campaign to acquire HP on hold by postponing additional presentations, interviews with the press, and meetings with HP shareholders. Xerox Vice Chairman and Chief Executive John Visentin cited the COVID-19 pandemic as the main reason and said, "In light of the escalating Covid-19 pandemic, Xerox needs to prioritize health and safety of its employees, customers, partners and affiliates over and above all considerations, including its proposal to acquire HP".
On 14 March 2020, Ardern announced in response to the COVID-19 pandemic in New Zealand that the government would be requiring anyone entering the country from midnight 15 March to isolate themselves for 14 days. She said the new rules will mean New Zealand has the "widest ranging and toughest border restrictions of any country in the world". On 19 March, Ardern stated that New Zealand's borders would be closed to all non-citizens and non-permanent residents, after 11:59 pm on 20 March (NZDT). Ardern announced that New Zealand would move to alert level 4, including a nationwide lockdown, at 11:59 pm on 25 March
On 14 March, President Trump expanded the travel ban on Europe to include the United Kingdom and Ireland. In addition, a representative of the insurance industry clarified that, contrary to the president's statement, major health insurers had only agreed to waive co-payments for coronavirus testing, and not for coronavirus treatment, which is far more costly.
On 17 March 2020, around 70 church devotees were infected with the virus after attending the River of Grace Community Church and having salt-water sprayed into their mouths, under the belief that this would protect them from the virus.
As of March 18, Wuhan, along with the rest of China has not had any new cases, raising questions of the potential consequences when social distancing requirements start to be lifted. Estimates are that less than 1% in China have had the disease, leaving more than 99% vulnerable to future waves of infection. With SARS in 2003, there was no transmission to others during incubation and the early symptoms. With COVID-19, there is evidence of early transmission. Ben Cowling, professor of epidemiology at Hong Kong University, said, “This coronavirus is more comparable to influenza.” It is not known how and if Covid-19 may resurface, though some fear it could follow a similar path to the 1918-1919 flu pandemic in which the second and third waves were more deadly than the first.
On 19 March, Ardern stated that New Zealand's borders would be closed to all non-citizens and non-permanent residents, after 11:59 pm on 20 March (NZDT). Ardern announced that New Zealand would move to alert level 4, including a nationwide lockdown, at 11:59 pm on 25 March
On 20 March, the government announced that all leisure establishments (pubs, gyms, etc.) were to close as soon as possible, and promised to pay up to 80% of workers' wages, to a limit of £2,500 per month, to prevent unemployment in the crisis.
The South Korean society was initially polarized with President Moon Jae-in's response to the crisis. Many Koreans signed petitions either calling for the impeachment of Moon over what they claimed is the government's mishandling of the outbreak or praising his response. On 23 March, it was reported that South Korea had the lowest one-day case total in four weeks. South Korea's approach to the outbreak includes having 20,000 people tested every day for coronavirus.
On 23 March, the Prime Minister announced tougher social distancing measures, banning gatherings of more than two people and restricting travel and outdoor activity to that deemed strictly necessary. Unlike previous measures, these restrictions were enforceable by police through the issuing of fines and the dispersal of gatherings. Most businesses were ordered to close, with "essential" exceptions including supermarkets, pharmacies, banks, hardware shops, petrol stations, and garages.
On 25 March 2020, Charles tested positive for COVID-19, amidst the 2019–20 coronavirus pandemic after showing mild symptoms for days. He and Camilla subsequently self-isolated at their Birkhall residence. Camilla was also tested, but had a negative result.
On 18 January 2020, Buckingham Palace announced that, following their decision to step back from royal duties, from 31 March 2020 Harry and his wife have agreed not to use their Royal Highness styles, but as a British prince he will not be stripped of his style and titles.