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As Canada faces the threat of the new coronavirus spreading within its borders, there are important communication lessons to recall from the 2003 severe acute respiratory syndrome (SARS) outbreak, say infectious disease experts. Canada recently confirmed its first case of the novel coronavirus that has infected thousands in China, spread to other countries, and led to the deaths of more than 100 people. There are now more confirmed cases of coronavirus infection in China than there were cases of SARS in 2003. It appears there may still be gaps in communication between public health and front line staff.

Though the island of Taiwan functions as an independent democracy, leaders of communist China claim it as a province, which is accepted by the United Nations and its agencies, including the World Health Organization (WHO). At the conference, a Chinese official asked the WHO to intervene. As a sponsor, the WHO asked the Taiwanese academics to leave, according to blogging and reporting in the journal Tobacco Control. Conference organizers took down the Taiwanese professors' posters and removed their presentation from the agenda. Today, demonstrators in Hong Kong, a semi-autonomous part of China, have gained worldwide support for protests against a proposed law that would remove the firewall between the city's legal system and the politically-controlled courts of Mainland China. On nearby Taiwan, thousands rallied to show solidarity. Taiwan's leaders hope to draw attention to parallels between their situation and Hong Kong's, yet in the global health realm, many academics know little about Taiwan's plight.

In July 2018, the Pan American Journal of Public Health published a thematic issue on the Economics of Noncommunicable Diseases (NCDs). Integrating economic tools and methods to build evidence for multisectoral NCD efforts is a focus of collaboration between the Pan American Health Organization (PAHO) and the Public Health Agency of Canada (PHAC). This ongoing effort, profiled in the issue, aims to encourage interdisciplinary research to bridge NCD evidence gaps. Dr. Theresa Tam, Chief Public Health Officer of Canada, provided an editorial comment in the issue. She stresses the benefits of using the analytical language of economics when communicating with experts outside the health sector and calls for increased collaboration. She acknowledges that harnessing economics will require better integration of economic data into surveillance platforms and adaptation of economic methods for public health applications.

I examined the use of Twitter during the COVID-19 pandemic to find out how many Twitter users started to follow relevant Canadian political and health authorities, and I investigated their activity and interests. To this end, I analyzed 398,037 Twitter accounts. The results reveal that the Twitter accounts of relevant authorities gained a significant number of new Twitter followers during the pandemic. The Twitter users who joined during the pandemic were rather passive; they tweeted and liked fewer tweets than Twitter users who registered in the months prior to the pandemic. They also chose to follow Twitter accounts predominantly related to news, politics and governmental agencies. These findings suggest that during the pandemic, numerous information-seeking citizens joined Twitter for the purpose of obtaining information about public health matters, which in turn suggests that authorities should incorporate Twitter into their information dissemination tools, especially during emergencies, to meet the public demand for information.

The Public Health Agency of Canada has published several updates to the SARS-CoV-2 Biosafety Advisory since its first publication on January 27, 2020.4 The importance of the advisory is underscored by the following statement: \"Laboratories receiving specimens from patients under investigation for COVID-19 must be aware that improper handling of these specimens poses a risk of exposure, which could seriously impact the health of personnel and the community, as well as the animal population.\" Rapid point-of-care testing is being performed in some jurisdictions where regulatory approval has been granted.7 This opens the window to non-traditional testing outside of the lab and brings with it the potential for breaches in good laboratory practice and higher risk. SARS-CoV-2 (Severe acute respiratory syndrome-related coronavirus Canada.ca https://www.canada.ca/en/public-health/services/ laboratory-biosafety-biosecurity/biosafety-directives-advisories-notifications/novel-coronavi rus-january-27.htm I * 5Public Health Agency of Canada, Routine Practices and Additional Precautions for Preventing the Transmission of Infection in Healthcare Settings.

Photos and accompanying captions also framed this figure as a responsible masked mother who ensures her children, too, are masked and protected from infection. [...]by masking herself, she responsibly protects the world from her potential contagion. In the era of Amy Chua's tiger mom, the responsible Asian mother can easily elide into the stereotypical hyper-responsible Chinese American mother, single-minded in her Confucian-influenced approach to child-raising, an approach criticized by many as being too close to child abuse by Western standards and too academically menacing (Corrigan). The spring, summer, and fall of 2020 saw social media circulate user-witnessed videos of overwhelmed hospital intensive care units and macabre morgue trucks, Black Lives Matter (BLM)-led protests against state-sanctioned anti-Black violence, right-wing counterprotests against BLM and local and state government public health mandates, and election rallies during which racist and nativist rhetoric like \"kung flu\" and \"China virus\" became normalized. Do significations of un/ masking take on additional symbolic meaning with respect to fears of anti-Asian violence? A Twitter user explains imposed safety measures on their parents: \"IF they [parents] have to go to a mall for urgent items I gave them a time limit to keep my elderly parents out of sight of any person who might attach [sic] them because they're a pair of weak and old Asian couple\" (@WWHdotcom).

Tam says she's in favour of a \"nationally interoperable network of vaccine registries\" that connects all of the provincial and territorial health systems and helps identify pockets of the population where there is poor vaccine coverage. While the majority of measles cases so far have occurred in communities that are historically under-vaccinated, she told Dr. Brian Goldman, host of CBC's White Coat, Black Art, \"we don't actually know exactly where the situation with vaccine coverage lies.\" [...]people and health systems pay when hospitals fill with people who have become ill from vaccine-preventable illnesses, Gorfinkel says. A professor in the faculties of law and school of epidemiology and public health at the University of Ottawa, Attaran says infectious disease experts like Tam have known since the SARS outbreak in 2003 that the country was woefully unprepared to properly track and respond to an outbreak due to poor data sharing.