Chris Kay

Stay informed with Chris Kay’s coverage and analysis for Fortune.

DHAKA, BANGLADESH – 2021/10/28: Vials containing Sinopharm COVID19 vaccine seen during a vaccination campaign at a vaccination center in Dhaka.<br />
According to the Bangladesh Directorate General of Health Services (DGHS), the nationwide mass vaccination program aims at injecting 7.5 million people to mark the 75th birthday of Bangladeshi Prime Minister Sheikh Hasina. (Photo by Sazzad Hossain/SOPA Images/LightRocket via Getty Images)

A Sinopharm booster generates ‘significantly lower’ levels of antibodies against Omicron, according to a new study

By Chris Kay and Bloomberg

Florists sell marigold garlands from the back of their trucks at a wholesale flower market set up daily along a highway during Diwali in Ghazipur, Uttar Pradesh, India, on Thursday, Nov. 4, 2021. India’s rising pace of vaccinations against Covid-19 and an improvement in the labor market is boosting consumer demand in the holiday season. Photographer: Anindit Mukherjee/Bloomberg via Getty Images

India drops COVID travel restrictions for vaccinated tourists from 99 countries after 20 months

By Chris Kay and Bloomberg

NEW DELHI, INDIA – OCTOBER 21: A health worker draws a dose of the Covaxin vaccine into a syringe during a vaccination against the Covid-19 coronavirus at a health centre, as India celebrate 1 billion doses of COVID-19 vaccination, in New Delhi India, October 21, 2021. (Photo by Amarjeet Kumar Singh/Anadolu Agency via Getty Images)

WHO grants emergency authorization to India’s COVID-19 vaccine Covaxin

By Chris Kay, Corinne Gretler, and others

Aerial view of the graves of COVID-19 victims at the Nossa Senhora Aparecida cemetery in Manaus, Amazon state, Brazil, on April 15, 2021. – Covid-19 has claimed more than 3,000 lives per day on average in Brazil over the past week, the most by far worldwide. The country of 212 million people has a total death toll of more than 360,000, second only to the United States. (Photo by Michael DANTAS / AFP) (Photo by MICHAEL DANTAS/AFP via Getty Images)

COVID is deadlier in Brazil—and nobody knows why

By Chris Kay, Andre Romani Pinto, and others