COVID-19 vaccines may be more like a flu vaccine, only reducing the chance of catching the virus. Health experts say the vaccines currently in development may prevent the worst symptoms of the coronavirus, like pneumonia, but won’t block the illness altogether. (STAT)

COVID-19 cases are rising in the South, where states have begun reopening. A study has suggested hot spots may erupt in cities in the South and Midwest, which have already eased social distancing rules. The researchers warned of a second wave in these areas. (Washington Post)

Register today to access the 2020 MM&M Agency 100 issue. The full issue, including the top 100 revenue table, agency profiles and features, will be released on June 8. Register for a free account to read the issue. (MM&M)

A government mental health expert has warned of the risks of a second coronavirus lockdown. Elinore McCance-Katz, the assistant secretary for mental health and substance use, said there may be a rise of suicides, drug overdoses and domestic abuse if the country goes into lockdown again. (The Wall Street Journal)

Eighty million children in the world are at risk for polio and measles due to a lapse in routine vaccination, according to a report from the World Health Organization, UNICEF and Gavi, the Vaccine Alliance. Many measles and polio initiatives have been suspended in low- and middle-income countries because of the coronavirus. (The New York Times)