June 11th, National Academy of Sciences

“Wearing of face masks in public corresponds to the most effective practices to prevent interhuman transmission in conjunction with extensive testing, quarantine, and contact tracking, poses the most probable fighting opportunity to stop the COVID-19 pandemic.” 

Renyi Zhang, Yixin Li, …., & Mario J. M. Identifying airborne transmission as the dominant route for the spread of COVID-19. PNAS (2020): https://www.pnas.org/content/early/2020/06/10/2009637117


June 2nd, The United States Department of Agriculture’s National Veterinary Services Laboratories

“As the first confirmed case of COVID-19 infection in a pet dog in New York state, it appears people with COVID-19 can spread the virus to animals during close contact.”

United States Department of Agriculture: https://www.aphis.usda.gov/aphis/newsroom/stakeholder-info/sa_by_date/sa-2020/sa-06/sars-cov-2-dog


June 1st, World Health Organization

“In order to combat the immediate threat of COVID-19, wearing face masks and eye protection could confer additional benefit and distances of 2 m might be more effective for a large reduction in infection.”

The Lancet: https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(20)31142-9/fulltext


May 19th, National Institute for Public Health and the Environment

"One staff member at a mink farm has been infected by mink, and that has revealed  the potential role of farm cats in transmitting the virus"

Government of the Netherlands: https://www.government.nl/latest/news/2020/05/19/new-results-from-research-into-covid-19-on-mink-farms


May 19th, The University of Edinburgh

"While the different types of face covers show different performances in the case of heavy breathing and coughing, each face cover allows a reduction of the front flow through jet by more than 90%."

Cornell University, USA: https://arxiv.org/abs/2005.10720


May 13rd, Massachusetts Medical Society

"An experiment reported a data showing the ease of transmission between domestic cats, that is of particular importance given the potential for SARS-CoV-2 transmission between family members in households with cats."

The New England Journal of Medicine: https://www.nejm.org/doi/full/10.1056/NEJMc2013400


May 5th, UKRI-Medical Research Council

"Increased age and comorbidities including obesity were associated with a higher probability of mortality."

The University of Edinburgh: https://www.ed.ac.uk/covid-19-response/latest-news/obesity-hampers-covid-19-recovery-prospects-study


April 24th, Harvard University, USA

"A study of long-term exposure to PM2.5 results in a large increase in the COVID-19 death rate." 

The Department of Biostatistics, Harvard University: https://projects.iq.harvard.edu/covid-pm


April 22nd, OIE Animal Health

"Multiple cases of infection to animals have been reported, so it is recommended to refrain from contact with pets if the owner has symptoms."

World Organization for Animal Health: https://www.oie.int/en/scientific-expertise/specific-information-and-recommendations/questions-and-answers-on-2019novel-coronavirus/


April 21st, U.S. Department of Health and Human Services

"The first confirmed cases of SARS-coronavirus-2 infection in two pet cats was announced in New York."

Centers for Disease Control and Prevention: https://www.cdc.gov/media/releases/2020/s0422-covid-19-cats-NYC.html


April 3rd, Nature Medicine

“Surgical face masks significantly reduced detection of influenza virus RNA in respiratory droplets and coronavirus RNA in aerosols, with a trend toward reduced detection of coronavirus RNA in respiratory droplets”.

Leung, N.H.L., Chu, D.K.W., Shiu, E.Y.C. et al. Respiratory virus shedding in exhaled breath and efficacy of face masks. Nat Med (2020): https://rdcu.be/b3AF7


March 30th, bio Rxiv

“SARS-CoV-2 replicates poorly in dogs, pigs, chickens, and ducks, but efficiently in ferrets and cats”.

Jianzhong Shi, et al., Susceptibility of ferrets, cats, dogs, and different domestic animals to SARS-coronavirus-2. Shi et al, bioRxiv: https://doi.org/10.1101/2020.03.30.015347


April 5th , National Veterinary Services Laboratories at USDA

“A 4-year-old female Malayan tiger at a zoo in New York City has tested positive for the novel (new) coronavirus.”

United States Department of Agriculture: https://www.aphis.usda.gov/aphis/newsroom/news/sa_by_date/sa-2020/ny-zoo-covid-19


March 27th, University of Liège, Belgium

“A cat in Belgium with apparent symptoms of the virus that causes COVID-19.”

The Brussels Times: https://www.brusselstimes.com/all-news/belgium-all-news/103003/coronavirus-belgian-woman-infected-her-cat/


March 19th, Government of the Hong Kong Special Administrative Region

“A pet dog sent to the AFCD has repeatedly tested positive for the COVID-19 virus”

Agriculture, Fisheries, and Conservation Department, the Government of Hong Kong: https://www.afcd.gov.hk/english/publications/publications_press/pr2346.html


March 19th, Government of the Hong Kong Special Administrative Region

“A pet dog had repeatedly tested weak positive for COVID-19 virus which indicates a low-level of infection with the virus”.

Agriculture, Fisheries, and Conservation Department, the Government of Hong Kong: https://www.afcd.gov.hk/english/publications/publications_press/pr2342.html